Abstract: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.