Hill area in sichuan is the main production place of food

cook oil

cotton

flax

fruit

pig

etc.The main problem is soil and water loss in this area. Hill area with heavy storm make up more than 80% of the total area.The most important facts which affect erosion are loose soil with high erodibility and high population density of 606 person per square kilometer).According to the typical investigation

the dry slope farm land is about 45.58% of the cultivation land. The slope land is the chief source of the sediment.So the drain and store up method by means of terraced field

count plough

flood storing flood is the effective measures for hill region harness. In this paper we would make some suggestion for soil and water conservation of slope farm land

such as countcy side law

investment

compreshensive measures

etc.