Based on lake's main envi ronmental problems such as eut rophication, soil and water loss and the lack of water resource, series of projects for comprehensive pollution treatment for the whole Xinyun Lake catchments, Yunnan Province are put forw ard, which focuses on N, P and eutrophication cont rol.There are 11 projects in total, including treatment of industrial pollution source, treatment of domestic sewage, treatment of agriculture non point pollution, and restoration of lake ecosy stem, etc.Total investment for these project is expected to be about 464 million Yuan RMB.