Research on Supply Chain Operation of Connecting Agriculture with Supermarkets Based on Agricultural Brokers System

On the basis of expounding the research results of using relevant knowledge about Game Theory for supply chain of agricultural products at home and abroad, we use principal-agent model in Game Theory to research me new function that the supermarkets entrust supervision and control over quality of agricultural products to agricultural brokers in the circulation model of connecting agriculture with supermarkets; then design the optimal incentive contract and influencing factors between agricultural broker and supermarket, and explain the fundamental role of agricultural brokers in the process of circulation; finally in light of the role of government in promoting development and application of agricultural brokers, put forward corresponding policy suggestions: establish government support policy; set relevant standard of industry; establish cooperative organizations of agricultural brokers.