“…Under the condition of sustainable development, all the participants in a project achieve the project management not only for their respective interests, but also with a common social interests, namely in the whole life cycle of the project, the participants of different economic legal relation and social status, such as government department, owners, reconnaissance design units, contractor, supervision units, materials and equipment suppliers and users, should reorganize and the corresponding responsibilities, timing for participation and mutual communication way also should be made the corresponding adjustment, which can change traditional management objectives lack of unity, the project management organization mode lack of communication and cooperation. In cost management on the concept of sustainable development we must ad-here to the people-centered concept and emphasize human factors of the decision layer, management layer and the specific implementation layer [1,2] . It is necessary improving the overall thinking of leadership to the staff in construction industry who must root the concept of sustainable development in the mind, adhere to this philosophy to treat the specific responsibilities of various aspects of project cost management.…”