It is the direction for synthetic control of small watershed that, through the analysing and evaluating to soil and water resources, to plan for land utilization.farming, forestry, animal husbandry and sideline.The purpose of the plan is to define the direction of production developing, thus, to control soil and water loss, to protect improve and make a rational use of soil and water resouroes, to rise the productivity, and to bring ecological and economical benefits into fully play.Therefore, a eco一economic sytem of artifically controlled, raitional and stedy will be established.