Abstract: In recent years，the agricultural mechanization investment’s main bodies gradually turned to the diversified structure in Zhejiang province，which has become a triangle system including farmer’s investment，the central and local investment.The main ways and measures of agricultural diversification include equilibrium of agricultural mechanization triangle system，expansion of the other investment and credit capital investment proportions.Basis was presented to ensure the central finance，local finance and individual farmer investment structure into the structure of balanced development，so as the expansion of agricultural credit in the financial industry and commerce proportion.More capital supports should be attracted，and agricultural enterprises and scientific research institutions and other social organizations were encourage to mutual benefit，insist cooperation with mutual benefit and common construction in various forms to carry out the construction of Agricultural Demonstration District，and ultimately achieve the formation of ‘steadily into the triangle investment structure，a new pattern of development and gradually’ to the four element structure.