Abstract:Jiyuan town, located in the southern foot of Zhongtiaoshan mountain,is one of the stressed regions in soil and water conservation, the harness work taking small watershed as the basic unit has obtained initial results,But due to the economic development, the rapid progress in the mountain road construction, the construction engineering of water conservancy,miing, etc,and the unrational social and economical activity caused new soil and water loss, even grievous in some places, This phenomenon'that when it is harnessed it is damaged and that when one unit harnesses more units damage become the hidden danger, being as the very serious:social problem,which should be noticed in the whole society.It is sugge-}sted that to prevent new soil and water loss it must be made to einforce the propaganda and inspection, enhance the巴co-operation between the de-artments to carry out the comprehensive harness, Only through this way the new soil and water loss could be harnessed progressively,