Wooden fish is a magic weapon that is mostly used in Buddhist and Taoist homework and pujas. According to legend, fish do not fit the eye day and night, so the wood is carved like a fish, and it is struck to warn the monks to think day and night. There are two forms: one is a straight fish shape, which is used for porridge and rice, or to gather crowds and police people, and is hung in the corridor of the temple. The second is a round fish shape, which is used when chanting and placed on the case. Since the Ming and Qing Dynasties, wooden fish has been commonly used in folk music, Teochew opera, and Cantonese opera. Make the wooden fish have the function of a musical instrument in addition to the magic weapon