In supply chain management, the forms of cooperation between the manufacturer and the supplier are various, and the forms of cooperative investment in supplier's renovation, study of fresh product and founding the system of share information are important. Incomplete Contracting Approach is applied to study the property delimitating and its efficiency problems of cooperative investment the strategy of manufacturer supports the renovation of supplier in supply chain through analyzing the equilibrium of incomplete information game in the cooperative investment of manufacturer and supplier. We illustrates the fitness of the three manufacturer's strategy of supporting, which are former share investment, let profit and subsidy. The conclusion is given that both parties define the form of property is basis on respective ability of bargaining.