PCDM in the implementation of the building energy field in our country faces many difficulties, but
its development prospect is wide. At present, China has made some achievement in the baseline standard problem, and further we also have strengthen the implementation of the project process monitoring method and the supervision system of research. Of course, influenced by the international financial crisis and the Kyoto protocol is not sure, CDM is currently "difficult for the winter," although PCDM is still at the primary stage, confronted with many difficulties, but as long as the international climate system principles remain unchanged 2012 years later, we believe PCDM will overcome difficulties and break through the barriers, then promote the development of developing countries to improve the projects effectively