In this paper,Shendou from Qianjiang district,Southeast area of Chongqing was used to isolate protein as raw materials, and to further study the antioxidant properties of its hydrolyzate by enzymatic method,providing ideas and methods for the development and utilization of shendou.In this study,same amount of papain,neutral protease and alkaline protease was used to hydrolysis the isolated shendou protein in different extent at their optimum pH values,temperatures.And the reducing power, superoxide anion ra...