The cooperation of farmers' cooperatives in credit cooperation is the focus of research on the development of new rural cooperative finance in China. Combining with the research situation, the author analyzes the three types of different models: commercial credit cooperation characterized by credit sales, monetary credit cooperation with financial mutual assistance or guarantee mutual assistance, and mixed credit cooperation led by leading enterprises or large-scale households. The author also pointed out the main problems of current farmers' cooperatives in credit cooperation from the three aspects of policy system, actual operation and potential risk. To promote the sustainable and healthy development of farmers' cooperative credit cooperation, we must adhere to the policy orientation of serving the "three rural"(Agriculture, Countryside and Farmers), strengthen the classification and guidance of different development models of credit cooperation, properly handle the relationship between risk prevention and internal vitality, further standardize credit cooperation management, effectively prevent and control the risk of credit cooperation and give full play to the comprehensive role of credit cooperation.