Current situation of soil and water loss and producing reasons of soil degradation in Jinqu region were described in the paper. The soil degradation was caused by soil and water loss and more severe soil and water loss resulted by forest cutting over its growth rate.The overcutting lost the ecofuction of the forest.The arear of soil and water loss was over one-third of total arears of hill and mound land,and modulus of erosion was over 2500t/km².a.In order to prevent soil and water loss and soil degeneration and to establish a better ecosystem in the red soil hilly region,both combination of bilolgical and engineering measures and princeple of combination of controling the loss and developing the land resoures should be take into accout at the same time.