Now, after more than a decade of efforts to join the World Trade Organization. Accession to the World Trade Organization means that China's gradual integration into the world of the construction industry, open markets, open markets will no doubt bring about the construction project cost management a series of effects, there are serious challenges, there are rare opportunities for development, will also WTO bound by the documents began with the widely used internationally to the general policy to guide their work (in addition to Chinese law, except as otherwise provided), all other are not adapted to the provisions of WTO policies will be phased out and modified, This is a historical trend. Inevitable that China's accession to WTO on China's construction projects to affect a large number of foreign investors to enter, will bring different areas, different forms of construction methods and pricing, this is a test of our ability to achieve commitments, but also on China's construction project cost management and reform, how to adapt to global trends and international practice, acceptance, accession WTO, the challenge is before us, problems to be solved.