Abstract: The Qinhu Qin Book found in Japanese National Diet Library is a second edition in Jiajing (1564) of the Ming dynasty, and is the only one we can see now. The structure and the scores and also fingerings Qinhu Qin Book recorded are similar to another Qin book in the Ming dynasty, Wugang Qin Book, which suggests the author of Qinhu Qin Book, Huicai may belong to Zhejiang Qin school. The discovery of Qinhu Qin Book throws light to the research on Zhejiang Qin school, as it recorded new information about Qin players and Qin scores.

Key words:  , Qinhu Qin Book, Wugang Qin Book, Scores from Zhejiang Qin school