Harm from soil erosion in Shandong Province are seen mainly in theincrease of rate of flood to dryness, the lowering of soil fertility, thecoasening of texture, thinning of soil layer, the naking of bed rock, thesever deposition in reservior, river and lake, the frequent natural disasters like flood, water logging, wind and hail, ect., which makes the residents more poor. But the harness of small watershed produces goodresults that soil erosion is lighted, the benefit of ecological economyraised, soil fertility improved, farm yield raised, commodity production developed, and the multiple benefits of economy increased.