TWI651669B - Article discount system and method thereof with expiration dates - Google Patents

Abstract

A product retention period price reduction discount system includes an item sales system, a code reading device, and a date reading device. The item sales system has a predetermined price reduction promotion mechanism, and an item has an item barcode and a save date. The barcode reading device and the date reading device are coupled to the article sales system. Using the barcode reading device to read the bar code data of the article barcode on the article, so that the article sales system stores the barcode data, and scans the storage date on the article by using the date reading device, so that The date of storage is stored in the item sales system. The item sales system generates at least one mandatory promotion date according to the save date, and automatically initiates the predetermined price reduction promotion mechanism between the forced promotion date and the save date to generate at least one price reduction promotion price, so that the promotion has been spotted The item.

Description

Price reduction discount system and method thereof

The invention relates to a system and method for reducing price discount according to the shelf life of an article; in particular, a system for reducing the price of a product according to the shelf life of the article and a method thereof.

Regarding the term management system for a conventional article, for example, the effective period control system and method of the Republic of China Patent Publication No. I343202, an invention patent, discloses an effective term control system. The expiration date control system includes a user device and a value added service server, and the device device includes a device identification code. The value-added service server receives the device identification code of the user device, configures an expiration date according to the device identification code, encrypts the device identification code and the expiration date, and then transmits the device identification code to the user device. The value-added service server can be set in a securities value-added service industry, so that the securities value-added service industry can independently control the validity period.

Another conventional commodity term management system, for example, the Republic of China Patent Publication No. 201405468, the commodity term monitoring method, the invention patent application, discloses a commodity term monitoring method. The merchandise period monitoring method is used to monitor between the portable electronic device and a merchandising terminal by using the portable electronic device after completing the transaction.

The method for monitoring the term of the product includes: establishing a product alert list for recording a product and a product information; in the commodity transaction process, the corresponding product information is sent from the product; and transmitting the product information to The product alert list to record the product information to the product alert list; and monitor the product information in the product alert list to The portable electronic device sends a warning message to the product based on the product information. After the transaction is completed, the portable electronic device can be utilized to monitor the item.

Another conventional commodity term management system, for example, the Republic of China Patent Publication No. 201324396, the term warning device, the bar code reading device, and the method for controlling the expiration date of the goods, the invention patent application, which discloses a term warning device and a control shelf The method of validity of the goods. The deadline warning device is installed on a cargo display rack, and the deadline warning device is used to record the expiration date of one of the shelves, and the warning is issued when the period expires. The method of controlling the expiration date of the goods on the shelf is operated by the warning device of the time limit and a code reading device.

The deadline warning device comprises a wireless module, a memory, a micro processing unit and a warning device. The wireless module receives all the information and the expiration date of the goods on the shelves. The memory records the information and expiration date of all the goods on the shelves. The microprocessor unit determines whether the expiration date of all of the shelves is expired. The microprocessor unit controls the alerter to issue an alert when the expiration date of any of the shelves is expired.

The method for controlling the validity period of the goods on-board includes: reading a bar code of one of the shelves goods by using a code reading device, and interpreting the data of the goods on the shelf; using the input module of the bar code reading device to input The expiration date of the goods on the shelf; the information and the expiration date of the goods on the shelf are transmitted wirelessly to the warning device of the term; the warning device records the information and the expiration date of the goods on the shelf; and the expiration date of any of the goods on the shelf At the end of the period, the warning device of the deadline issues a warning signal.

Another conventional commodity term management system, for example, the Republic of China Patent Publication No. 201235951, the warning label for the expiration date of the merchandise and the method for warning the expiration date of the merchandise, the invention patent application, which discloses a warning label and a warning for the expiration date of the merchandise The method of the term of use of the goods. The warning label of the expiration date of the product is set on a commodity, and the policeman The display tag includes a storage unit, a timing unit, a control unit and a warning unit.

The storage unit is configured to store a product information of the product, and the product information includes a shelf life. The timing unit is configured to generate a current time, and the control unit is coupled to the storage unit and the timing unit, and the control unit sends an alert signal according to the current time and the storage period. The warning unit is coupled to the control unit, and the warning unit issues an alert according to the warning signal.

The method for alerting the expiration date of the merchandise includes the steps of: step A, reading a retention period and a current time; and step B, determining whether the current time is equal to or exceeding the retention period, and if so, causing the warning label to be The first mode issues a warning; if not, step C is performed; step C, determining whether the current time is equal to a fast overdue time that is close to but not exceeding the retention period, and if yes, performing step D; step D, causing the warning label A warning is issued in a second mode. Before step A, step E, timing the warning label to generate the current time, and timing the warning label to a set time, and then entering the step A. After step D, step F, resetting the set time, and causing the alert tag to perform the step E.

However, the aforementioned effective period control system and method of the Republic of China Patent No. I343202, the method for monitoring the period of the product of the publication No. 201405468, and the method for warning the use of the product of the No. 201235951 are inevitably required for further improvement to provide The spot item (or item) is accurately sold according to the remaining time. The above-mentioned publications No. I343202, the publication No. 201405468 and the publication No. 201235951 are only for reference to the technical background of the present invention and the state of the art is not limited to the scope of the present invention.

In view of the above, in order to meet the above needs, the present invention provides a system for reducing the price of an article according to an item retention period, and a method thereof, which reads a bar code of an article by using a code reading device on an article, and benefits the article. Scanning and recognizing a save date with a date reading device, and generating at least one mandatory promotion date according to the save date, and automatically performing a predetermined price reduction promotion mechanism on the forced promotion date to improve the use of the commodity by the spot The technical (or item) of a product (or item) is subject to the technical shortcomings of accurate promotion or dynamic price reduction.

The main object of the preferred embodiment of the present invention is to provide a system for reducing the price of a product according to the shelf life of the article, and a method for reading an article barcode on an article using a code reading device, and reading the date on the article The device scans and recognizes a save date, and generates at least one mandatory promotion date according to the save date, and automatically performs a predetermined price reduction promotion mechanism on the forced promotion date, thereby achieving the provision of the immediate product (or article) The remaining time is for the purpose of accurate promotion or dynamic price reduction.

In order to achieve the above object, an item retention time reduction discount system according to a preferred embodiment of the present invention includes: an item sales [management] system having a predetermined price reduction promotion mechanism; at least one item including an item barcode and a save date [Data], and the item barcode includes at least one piece of code data, and the storage date includes a day value, a January value, and a one year value; a code reading device connected to an item sales system for utilizing the item The barcode reading device reads barcode data of the article barcode to facilitate storage of the barcode data by the article sales system; and a date reading device connected to the article sales system, and the date reading device is used on the article The scan reads the save date, and uses an identification software to automatically identify the date value, the month value, and the year value of the save date, so that the item sales system stores the date value, the month value, and the year value of the save date; The item sales system generates at least the date of the save A mandatory promotion date (information), and automatically initiates the predetermined price reduction promotion mechanism between the mandatory promotion date and the storage date to generate at least one price reduction promotion price (information), so as to promote the item on the spot.

In the preferred embodiment of the present invention, the at least one price reduction promotional price is output to a point of sale terminal system, a bulletin output device or an announcement display device for announcing the promotion of the item.

In the preferred embodiment of the present invention, the at least one reduced price promotional price is output to a mobile communication device for promotion of the item.

In the preferred embodiment of the present invention, there is an accelerated promotion date or a final promotion date between the mandatory promotion date and the storage date, and the final promotion date corresponds to a final price reduction promotion price.

A warning inventory date is set prior to the final promotion date of the preferred embodiment of the present invention.

In the preferred embodiment of the present invention, the quantity information of the one of the current items is displayed in a warehouse management system or a cloud management center to avoid improper management of unsalable sales.

In order to achieve the above object, a method for discounting a price reduction period according to an embodiment of the present invention comprises: reading an item barcode on an item by using a code reading device, and the item barcode includes at least one piece of code data; Scanning and reading a save date (data) by using a date reading device, and the save date includes a day value, a January value, and a one-year value; and automatically identifying the date and month of the save date by using a recognition software The value and the annual value; an item sales (management) system generates at least one mandatory promotion date (data) according to the date of the deposit; and automatically performs a predetermined price reduction promotion mechanism between the mandatory promotion date and the storage date to generate At least one price reduction price Grid [information] in order to promote the item has been ordered.

In a preferred embodiment of the present invention, when the bar code data is read by another non-promotional same item checkout, the price reduction promotion price is displayed in advance to a customer to preferentially promote the current item.

In the preferred embodiment of the present invention, the instant item is co-promoted with another promotional item.

In the preferred embodiment of the present invention, when the current item is completed, the remaining quantity of the current item and the end promotion date are displayed to speed up the promotion of the current item.

A preferred embodiment of the present invention scans a date of manufacture (data) using the date reading device on the article.

1‧‧‧ Item Sales System

1A‧‧‧ Item Sales System

10‧‧‧ price reduction promotion mechanism

100‧‧‧ items

11‧‧‧Point of Sale Terminal System

11a‧‧‧ Announcement output device

11b‧‧‧ bulletin display device

2‧‧‧Bar code reading device

3‧‧‧Date reading device

50‧‧‧Mobile phones

51‧‧‧Note Computer

Fig. 1 is a block diagram showing a system for reducing the price of articles according to the first preferred embodiment of the present invention.

FIG. 1A is a schematic diagram of a bar code of a fixed format article according to a preferred embodiment of the present invention.

2 is a block diagram showing a system for reducing the price of an item according to a second preferred embodiment of the present invention.

Fig. 3 is a flow chart showing the method of discounting the price reduction period according to the preferred embodiment of the present invention.

Fig. 4 is a schematic view showing a price reduction promotion mechanism according to another preferred embodiment of the present invention.

Figure 5 is a block diagram showing a system for reducing the price of an item according to another preferred embodiment of the present invention.

In order to fully understand the present invention, the preferred embodiments of the present invention are described in detail below, and are not intended to limit the invention.

According to a preferred embodiment of the present invention, the price is reduced according to the shelf life of the article. The buckle system and method thereof are applicable to various convenience store systems, physical transaction systems, online transaction systems, or online store systems, such as: supermarkets, hypermarkets, auction website systems, or online shopping systems, but are not intended to limit the present invention. The scope of application. The item retention period price reduction discount system and method thereof according to the preferred embodiment of the present invention are suitable for use in combination in various electronic commerce systems, such as O2O (online-to-offline), B2B or B2C e-commerce systems, but are not limited thereto. The scope of application of the present invention.

The method for executing the price reduction discount system and the method thereof according to the preferred embodiment of the present invention is a computer-executable process step, which can be executed at various point-of-sale terminals. POS] system, various computing devices (such as smart phones, smart phones) or various computer devices, such as desktop computers, notebooks, workstation computers Computer] and so on.

The item retention period price reduction discount system and method thereof according to the preferred embodiment of the present invention are applicable to various internal network systems (intranet systems) or various information network systems, for example, including the Internet. [Internet], various local area networks (LANs) or various wireless local area networks (wireless LANs), but they are not intended to limit the scope of application of the present invention.

1 is a block diagram showing a system for reducing the price of an article according to a first preferred embodiment of the present invention. Referring to FIG. 1 , for example, the item retention period price reduction system according to the first preferred embodiment of the present invention includes a product selling system 1 and at least one point-of-sale terminal system (POS system). 11. At least one barcode reader device 2 and at least one date reader device 3.

Please refer to Figure 1 again, for example, the sale of the item. The system 1 is suitable for selling a plurality of items 100 (or goods containing vegetables, fruits, fresh, dairy products, foods or daily necessities), and the article 100 contains or has a fixed format barcode, an unformatted manufacturing date [manufacturing date] and an unformatted date of expiration date, and the item barcode contains at least one piece of code data, and the date of manufacture (data) and date of preservation (data) include a day value, a month value, and a Year value. For example, the date of manufacture and the date of the date of the save, the month value, and the year value have various arrangement formats, for example, various print arrangement formats yy/mm/dd, mm/dd/yy, or dd/mm/yy.

FIG. 1A is a schematic diagram showing the use of a fixed format article barcode according to a preferred embodiment of the present invention. Referring to FIG. 1A, for example, in accordance with a preferred embodiment of the present invention, the item retention time reduction discount system selects a first item barcode (EAN-8 barcode, left side of FIG. 1A), and a second item barcode. [EAN-13 barcode, right side of Figure 1A] or other various one-dimensional barcodes or two-dimensional barcodes (for example: stacked two-dimensional barcodes or one-dimensional barcode stacks).

Generally speaking, the one-dimensional bar code is a stripe bar code composed of a plurality of vertical black bars and white bars, and the black bars and white bars are arranged from left to right, and the bar codes of the black bars and the white bars are arranged in phase, and the black bars and the white bars are arranged. The horizontal width (thickness) of the barcode can be selected differently. In addition, English letters, Arabic numerals, or a combination thereof are arranged below the striped barcode. In order to facilitate reading of the bar code reading device 2, the one-dimensional bar code has a predetermined height [longitudinal height] so that the bar code reading device 2 can easily align the article bar code.

One-dimensional barcodes usually contain a Data Code and a Check Code. International barcodes must be used by the applicant and cannot be printed and printed. EAN-8 has eight digital codes and it only contains data codes and check codes. The first three codes are the country code, and the fourth code is the commodity code, and the last code is the check code. In addition, EAN-13 has thirteen digital codes, the first three codes are country codes, and the other four codes are manufacturers. Code, five yards for the commodity code, the last code for the check code or check code.

In addition, the characteristics (or advantages) of the one-dimensional bar code is that the reading or recording speed of the bar code data is quite fast, and the reading error rate of the bar code data is rather low. However, the disadvantage of the one-dimensional bar code is that the data capacity of the bar code data is very small, and the one-dimensional bar code is often unable to be read after being damaged, damaged, or deteriorated by the ink, so the one-dimensional bar code is not suitable for setting the manufacturing date or the save date. .

Referring to FIGS. 1 and 1A again, for example, the barcode reading device 2 is selected from a handheld barcode reading device, a desktop barcode reading device, or a continuous use device. A device similar to the bar code reading function, and the bar code reading device 2 is connected to the article sales system 1 by appropriate technical means, so the article selling system 1 does not need to change the original bar code reading function device, the hand-held bar code. The reading device or tabletop barcode reading device is used to maintain the existing merchandise management program.

Referring to FIG. 1 again, for example, the date reading device 3 is selected from a digital identification device or a device having a similar recognition read function (for example, an optical character recognition (OCR) system), and the number is The identification device can select the image image to recognize the Arabic numerals or the typeface printing font, that is, it is widely used for the identification of the lot number of the goods or the identification of the car license plate, and the date reading device 3 is connected to the item selling system 1 by appropriate technical means.

Fig. 2 is a block diagram showing a system for reducing the price of goods according to the second embodiment of the present invention. Referring to FIG. 2, with respect to the first embodiment, the item retention period price reduction system according to the second preferred embodiment of the present invention includes a product selling management system 1A and at least one announcement output device. [discount data output device] 11a, at least one discount data display device 11b, at least one code reading device 2, and at least one date reading device 3.

Please refer to Figure 2 again, for example, the announcement output. The device 11a can be optionally disposed in an auction website system, an online shopping system or other online system (for example, an online shopping virtual store system, a connection cash drawer device or a receipt printing device), and the announcement display device 11b can be optionally set in a super Merchant shopping area, a large store shopping area or other shopping areas (for example: physical store shopping area or department store shopping area).

Referring to FIGS. 1 and 2 again, for example, the item sales system 1 or the item sales management system 1A has a predetermined discount promotion mechanism 10, and the item sales system 1 or item sales management The system 1A is disposed on a server, a cloud server, or a device having similar functions. According to another preferred embodiment of the present invention, the predetermined price reduction promotion mechanism 10 is a dynamic price reduction promotion mechanism, a fixed discount promotion mechanism or other price reduction promotion mechanism.

FIG. 3 is a flow chart showing a method for discounting a price reduction period according to a preferred embodiment of the present invention. Referring to Figures 1, 2 and 3, the method for discounting the price reduction period according to the preferred embodiment of the present invention comprises a first step S1: first, for example, the barcode reading device 2 is utilized on the article 100. The barcode data of the article barcode 100 is read to facilitate storage of the barcode data by the article sales system 1 or the article sales management system 1A.

Referring to Figures 1, 2 and 3, the method for discounting the price reduction period according to the preferred embodiment of the present invention comprises a second step S2: Next, for example, the date reading device is used on the article 100. 3 scan (or image capture) or other appropriate technical means to read the date of preservation (for example: ink printed font or stamped ink font) or save the date sticker, so the item sales system 1 or item sales management system 1A does not It is necessary to change the original ink printing font or stamp ink font to maintain the existing product manufacturing management procedures. Another preferred embodiment of the present invention may select the date on which the date reading device 3 scans (or image capture) or other suitable technical means to read the manufacturing date (eg, ink printing). Brush font or stamp ink font].

Referring to Figures 1, 2 and 3 again, the method for discounting the price reduction period according to the preferred embodiment of the present invention comprises a third step S3: Next, for example, an identification software is used to automatically identify the date of preservation. The date value, the month value, and the year value are used to facilitate the item sales system 1 or the item sales management system 1A to store the date value, the month value, and the year value of the save date, and the identification software is set in the item sales system 1 or the item sale Management System 1A. Another preferred embodiment of the present invention can selectively use the identification software to automatically identify a manufacturing date (for example, ink printing font or stamp ink font) and a shelf life (for example, ink printing font or stamp ink font for 1 year). And the item sales system 1 or the item sales management system 1A calculates the date of the save using the date of manufacture and the shelf life (for example, the date of manufacture + 1 year).

Referring to Figures 1, 2 and 3 again, the method for discounting the price reduction period according to the preferred embodiment of the present invention comprises a fourth step S4: Next, for example, the item sales system 1 or the item sales management system 1A At least one mandatory promotion date [data] is generated according to the date of the deposit. In another preferred embodiment of the present invention, the item sales system 1 or the item sales management system 1A sets a warning inventory date or other warning inventory data before the final promotion date to alert the potential item 100.

Referring to Figures 1, 2 and 3 again, the method for discounting the price reduction period according to the preferred embodiment of the present invention comprises a fifth step S5: then, for example, automatically between the forced promotion date and the save date The predetermined price reduction promotion mechanism 10 is [activated] to generate at least one price reduction promotion price (information), so as to promote the item 100 at the time.

Referring to FIG. 1 and FIG. 3 again, another preferred embodiment of the present invention displays the price reduction promotion price in advance when the point-of-sale terminal system 11 checks out another non-promotional same item to read the barcode data. A customer to preferentially promote the current item 100. According to another preferred embodiment of the present invention, the item sales system 1 or the item sales management system 1A performs the matching promotion of the current item 100 with another promotional item to accelerate the promotion of the current item 100.

Referring to FIG. 1 and FIG. 3 again, in another preferred embodiment of the present invention, when the point-of-sale item 100 is completed, the remaining quantity of the one of the current items 100 and one of the items are displayed. The promotion date is ended so that the item sales system 1 or the item sales management system 1A accelerates the promotion of the current item 100.

Referring to Figures 1, 2 and 3 again, the method for discounting the price reduction period according to another preferred embodiment of the present invention comprises another step: then, for example, outputting the at least one price reduction promotion price to the The point-of-sale terminal system 11, the bulletin output device 11a, or the bulletin display device 11b, in order to announce that the item 100 has been posted for sale.

In another preferred embodiment, the mandatory promotion date and the storage date may have an initial promotion date, an accelerated promotion date or a final promotion date, and the final promotion date may be set to be quite close to the save date. Or the optional setting is the same as the save date, and the final promotion date corresponds to the configuration of a final price reduction promotion price.

FIG. 4 is a schematic diagram showing a price reduction promotion mechanism according to another preferred embodiment of the present invention. Referring to Figures 1, 2 and 4, for example, the predetermined price reduction promotion mechanism 10 includes a plurality of set time inventory purchase dates, warning inventory dates, initial promotion dates, accelerated promotion dates, last promotion dates, and corresponding The original price of the dynamic price, the initial promotional price, the accelerated promotional price, and the final promotional price.

Please refer to Figure 4 again, for example, to maintain the original price during the stock purchase date to the warning stock date. Then, during the period from the warning stock date to the initial promotion date, the first slope is reduced from the original price buffer to the initial promotion price, which is an inventory promotion. Then, during the period from the initial promotion date to the accelerated promotion date, the second slope is urgent from the initial promotion price. 遽 Decline to speed up the promotional price. Then, during the acceleration promotion date to the last promotion date, the third slope is automatically buffered from the accelerated promotion price to the last promotion price, and the last promotion date is the promotion deadline.

Figure 5 is a block diagram showing a system for reducing the price of an item according to another preferred embodiment of the present invention. Referring to FIG. 5, with respect to the first embodiment, the item retention time reduction discount system according to another preferred embodiment of the present invention includes a warehouse management system, a cloud management center or other management system. The quantity information and other information (such as the price reduction promotion price) of the current item 100 are simultaneously displayed in the warehouse management system or the cloud management center to avoid improper management of unsalable sales.

Referring to Figures 1, 2, 3 and 5 again, the method for discounting the price reduction period according to another preferred embodiment of the present invention comprises the further step of: then, the at least one price reduction promotion price and other information from the The item sales system 1 or the item sales management system 1A outputs to a mobile communication device (for example, a mobile phone 50 or a notebook computer 51) by wired or wireless communication or preferentially outputs at least one designated member device, so that the promotion has been scheduled The item 100, and according to whether the designated member device returns to the price reduction promotion price, determines whether to continue to preferentially output the price reduction promotion price and other information to the designated member device. If the designated member device returns to the reduced price promotion price, it is decided to continue to preferentially output the reduced price promotion price and other information to the designated member device. Conversely, if the designated member device does not return the price reduction promotion price, it is decided not to continue to preferentially output the price reduction promotion price and other information to the designated member device.

Referring to Figures 1, 2, 3 and 5 again, the method for discounting the price reduction period according to another preferred embodiment of the present invention comprises another step: the item sales system 1 or the item sales management system 1A Whether the member device has consumed the same item 100 (or its consumption behavior) for a predetermined period of time, and then decides whether to continue to preferentially output the price reduction promotion price and other information to the designated member device. If the designated member is installed If the same item 100 has not been consumed within the predetermined time, it is decided to continue to preferentially output the reduced price promotion price and other information to the designated member device. Conversely, if the designated member device has consumed the same item 100 for the predetermined period of time, it is decided not to continue to preferentially output the reduced price promotion price and other information to the designated member device.

The foregoing preferred embodiments are merely illustrative of the invention and the technical features thereof, and the techniques of the embodiments can be carried out with various substantial equivalent modifications and/or alternatives; therefore, the scope of the invention is subject to the appended claims. The scope defined by the scope shall prevail. The copyright limitation of this case is used for the purpose of patent application in the Republic of China.

Claims (10)

An item retention time reduction discount system includes: an item sales system having a predetermined price reduction promotion mechanism; at least one item including an item barcode and a save date, and the item barcode includes at least one piece of code data, and The save date includes a day value, a January value, and a one-year value; a code reading device is coupled to an item sales system, and the bar code reading device is used to read the bar code data of the item barcode on the item, so that Storing the barcode data in the item sales system; and a date reading device connected to the item sales system, wherein the date is read by the date reading device, and the identification software is used to automatically identify the item The date value, the month value and the year value of the date of preservation, so that the item sales system stores the date value, the month value and the year value of the date of the deposit; wherein the item sales system generates at least one mandatory promotion date according to the save date, and the The mandatory promotion date is an initial promotion date and is automatically between the mandatory promotion date and the save date Performing the predetermined price reduction promotion mechanism to generate at least one price reduction promotion price, so as to promote the current item, and the price reduction promotion price is an initial promotion price, and the initial promotion date corresponds to the initial promotion price; There is a final promotion date or a warning inventory date between the promotion date and the save date. According to the claim of claim 1, the item retention period price reduction discount system, wherein the at least one price reduction promotion price is output to a point of sale terminal system, a bulletin output device or an announcement display device, so that the announcement promotion has been scheduled article. According to the item of claim 1, the item retention period price reduction discount system, wherein the at least one price reduction promotion price is output to a mobile communication device, so as to promote the item. According to the scope of claim 1 of the patent application, the item retention period price reduction discount system, wherein the storage date is an unlimited format preservation date. According to the patent application scope item 1, the item retention period price reduction discount system, wherein the quantity information of the one of the current items is displayed in a warehouse management system or a cloud management center to avoid improper management of unsalable sales. A method for discounting a price reduction period according to an item, comprising: reading an item barcode on an item by using a code reading device, wherein the item barcode comprises at least one piece of code data; and reading on the item by using a date reading device a save date, the save date includes a day value, a January value, and a one-year value; an identification software automatically recognizes the date of the save date, the month value, and the year value; an item sales system generates the date according to the save date At least one mandatory promotion date, and the mandatory promotion date is an initial promotion date; and a predetermined price reduction promotion mechanism is automatically performed between the mandatory promotion date and the storage date to generate at least one reduced price promotion price, and the price reduction promotion price is An initial promotional price, and the initial promotional date corresponds to the initial promotional price, so that the item has been sold for the current time; wherein there is a final promotion date or a warning inventory date between the mandatory promotion date and the saving date. According to the method of claim 6, the method for reducing the price of the item according to the scope of the patent application, wherein when the barcode data is read by another non-promotional same item, the price of the price reduction is displayed in advance to a customer, so as to preferentially promote the Spot items. According to the sixth aspect of the patent application scope, the method for reducing the price according to the shelf life of the article, wherein the spot item is jointly promoted with another promotional item. The method for discounting the price reduction period according to item 6 of the patent application scope, wherein when the current item is completed, the remaining quantity of the current item and the end promotion date are displayed, so as to speed up the promotion. Spot items. According to item 6 of the patent application scope, the price retention period is reduced according to the article. A buckle method in which a date of manufacture is read on the article using the date reading device.