Research conclusions：The government should strengthen the guidance in policy, and further implement and improve the qualification management system to give the qualification of integration of design and construction to the design and construction enterprises so as to push forward the general construction contract and enhance the market competition ability of Chinese construction enterprise. The Chinese construction enterprise should improve its internal management level, setup the standard system for the integration of design and construction, train the high-qualified talent of construction management, integrate the resources of design and construction, realize zero joint of design and construction, enhance the enterprises' management level and create the condition for implement of BT construction mode.