With the rapid development of our country,the new management model of Projects Integrated management system,it has increasingly been recognized by the people which is in the same kind industry,Integrated management system is the use of electronic information platform for the entire project cycle management costs,Reduce unnecessary expenditure,increase the economic efficiency of enterprises,Create a long-term business development of the enterprise strategic thinking. this acticle has in-depth research for how to manage cost in this situation,and conduct the prospect for the future research directions