The soil and water in Hupanhe watershed used to loss very heavily.The ecosystem went wrong, therefore, the disaster occured frequentlyand the agricultural yield was low and unsteady. In whole watershed,the area lossing water and soil was about 25.8 km², being 97.3% of thewhole area. From 1981,the area is focused to harness by the Water Conservancy Committee of Huaihe River under Ministry of Water Conservancyand Electric Power. By comprehensive harnessing in 5 to 6 years, the Aegeation cover rate has been raised to 78.4%. The water resource is conservedobviuosly and ecological environment is getting better; the total outputvalue and the average income per capita is doubled; and the total output will be four to five million yuan, it is as much as four times of thetotal investment.