The rapid development of the green credit market has broadened the financing channels for green enterprises and environmental projects，and quantitative products and tools such as green indices are becoming more and more abundant，which is leading the responsible investment into the mainstream. However，how to promote enterprises to fulfill their environmental and social responsibilities is a challenge for the development of the green credit market. This paper combines the green development concept of financial institutions and studies the application of the environmental and social management system in the credit business of financial institutions that promoting enterprises pay attention to environmental and social issues from source，and providing an innovative experience that can be learned form the application of the system for agricultural credit projects in the Qilian Mountains.