Using the DEA analysis method,this paper analyzes the financing efficiency of two large commercial banks and other eight small and medium-sized banks to support the small and medium-sized enterprises（SMEs）,and the result shows that large commercial banks are more efficient than small and medium-sized commercial banks in the SMEs credit supporting.Large commercial banks should change their business philosophy,to expand the business on SMEs credit;strengthen financial technology innovation and personnel training;optimize the all...
