Construction project in China at the level of cost control on stays at the project level, lack of system stakeholders into consideration, therefore need to continuously explore and improve, improve the dynamic and systemic cost control. Based on the engineering project cost control level of participation, the key stakeholders are divided into three categories, namely high controlling stakeholders, in the control of stakeholders and low control stakeholders, using analytic hierarchy process ( AHP ), is proposed to control the dynamic model from the owners, the project manager and the peripheral group cost a project of Wuhan, supplemented by empirical analysis, the project cost control research to provide reference.