Divided into three stages, this paper elaborated the practice courses of Cleaner Production in China in last two decades, analyzing the characteristic of Chinese Cleaner Production policy in the different historical periods. It also analyzed the results of Cleaner Production policy in China according to the investigation and study data of Cleaner Production audit of national key enterprises from 2004 to 2007. The result indicated that the advancement pattern of the voluntary Cleaner Production audit and compulsory Cleaner Production audit effectively promoted the advancement of Cleaner Production in Chinese industry. The consciousness on Cleaner Production of the government, the enterprise and the public have had essential enhancement. The quantity of enterprises which implement Cleaner Production audit has been increasing. The Cleaner Production technical advisory services system was preliminary established. It is obvious to see the energy saving and emission reduction realized by Cleaner