Abstract: This paper aims at constructing the agent system model which is compatible with the characteristics of highway projects.Firstly,compared advantages and disadvantages of every existing project management models,the economy and monitoring system of agent system are superior to others' is raised.And then based on the analysis of characteristics of advanced and pilot provinces' agent system models,operational differences of specific links are summarized.Finally,the agent system model of highway projects of Henan Province is constructed based on its actual situation.These works lay the theoretical and empirical foundation to the im- plementation of agent system of highway projects.