Agricultural credit plays an important role in rural economic development, so efficiency problem of the agricultural
credit has important practical significance. This paper investigates the principle of data envelopment analysis model,
super-efficiency model and Malmquist index. We make empirical analysis based on agricultural credit institutions in Jiangsu
under super-efficiency model. The results of DEA method show that among Jiangsu agricultural credit institutions,
state-owed commercial banks, joint stock commercial banks have the highest efficiency, whereas the efficiency of the rural
cooperative financial institutions is relatively lower.