ट्रिविया

The date on the board when Xiao Yu first goes to class is January 18, 1979--Jay Chou's birthday.

Some of the roles are filled by acquaintances of Jay Chou's. As such Ah Bao, Yu Hao the "Prince Of Piano," and the record-store owner are played by members of the Taïwanese pop band Nan Quan Mama and friends of Chou's, two of the teachers are played by people from his record company, Ah Lang is played by one of the lyricists, Da Yong the caretaker by his makeup artist, the biology teacher by his father, and his aunt at the market by his mother. Anthony Chau-Sang Wong had previously played his father in Tau man ji D (2005).