Study on employee behaviors from individual layer is based on psychological contract ,while corporate culture focuses on organizational and individual behaviors from organizational layer. At present there are more and more studies about organizational behavior based on psychological contract . On basic of comparative research be2 tween psychological contract and corporate culture , this paper further produces corporate cultural definition. Theory of Corporate Culture is researched in systemic method based on psychological contract , and corporate cultural system model is constructed , and its dimensions are analyzed in the viewpoint of its construction. Under the incentive mechanism of performance rewards , the way of constructing the strong culture is pointed out . Finally , a case is used to illustrate the use of the proposed approach.