The cross-sea bridge construction environment is poor, and its construction technology is complex. To determine the general contract management idea, realize the overall operation goal, achieve the standardized management and maximized and optimized benefits of the engineering project, it is of great practical significance to discuss the management of the cross-sea bridge construction contract. The construction enterprises should pay attention to the management of construction contract, which is as the basis of arranging for construction, pursuing for claim, controlling engineering cost and settlement and providing possibilities for risk transfer, carry through the real-time institution development and establish the contract management system, so as to control the business cost and drop the business risk. Incorporated with the actual situation of the construction contract signing, the issues and improvement measures in the signing and management of the cross-sea bridge construction contract are given.