In the 4 areas with soil and water loss in middle reaches of the Yellow river.the developping of production and the prosper of economy is seriously restricted by factors of adverse natural condition,weak ecoenvironment,arid climate,soil and water loss,poor life of the peasants and undeveloped economy. As a result of comprehensive harness for 10 years.the benefits is very notable by vigorously promote the founditional construction of field,planting trees and seeding grass.regulating the structure of land untilazation,improving funditional installation and developping commodity economy.The benefits of soil and water conservation and economy is notable,and the living standard of peansants is obviously raised.