The construction of green supply chain of agricultural products is the needs of developing modern agriculture. Aiming at the construction of efficient and integral green supply chain of agricultural products, it is very important to form strategic alliance of node enterprises on the supply chain by utilizing the theory of supply chain alliance in the procedure of production, processing and circulation of agricultural products. The paper puts forwards the specific measures of constructing strategic alliance of green supply chain of agricultural products from the perspectives of organizational objectives, operating mechanism and technical support.