Parent rock type of soil and water loss and its contributing factors and developing trend was also discussed.the rigion was divided into five kinds of soil and water loss areasaccording to the type of parrent rock,pattern and intensity of soil erosion.The five kinds are namely(1)highly intensive granite type in hill areas,(2)highly and middle intensitive sandy parple shale type in hill and mound areas,(3)highly intensitive limestone type in flat hill areas.(4)light and middle shale linestone types in hill and mound arears,and(5)highly intensitive metamorpht rock type in hill areas.According to the five different parent rock types,several corresponding measures were suggested to prevent and cure soil and cure soil and water loss and utilize the land resources in the region.