Yu′ebao is the largest currency market fund in China.This paper constructs DCC-MVGARCH model and SVAR model from the two perspectives of the relationship between Yu′ebao′s yield and commercial banks′interest rate and the systematic risk of commercial banks to discuss the impact of Internet finance on commercial banks.The research results show that there is a positive linkage relationship between Yu′ebao′s yield and commercial banks′interest rate;in the long term,the development of Yu′ebao′s impact on the systemic risk of commercial ban...