Chaohe and Luanhe watershed is the key district of national conservation. In the period of "the Eighth Five-year Plan"，the experiment and demonstration for comprehensive harness of small watershed are conducted in Luanping county，the exploitive model which takes the har- ness of ecologic environment as a basis and the economic development as a object，is adopted. The concrete measures are as follows; to regulate the structure of plantation;to exploit waste mountainland vigorously，and to develop forestry and pomiculture;plant herb to raise animals，and to correctly handle the contradictions between forestry and animal husbandry. At the end of "the Eighth Five-year Plan"，the production of farming increased 2550 Yuan/hmz，forestry increased 1 300 Yuan/hmz，the erosive modulus reduced from 1646 t/(km2. a) to 651 t/(km2. a).Then，the obvious benefits of economics，ecology and socienty are obtained，so that the economic system keeps us a steady development.