After having tackled the key problems of science and technology for ten years, the industrial structure of Wangdong gully watershed has had a distinct change.It goes through one way structure which put stress on historic planting industry to two-way structure which put stress on both planting industry and side occupation in the seventh five-year plan.Now it has been developed to three-way structure of planting industry, fruit industry and industrial sideline.This structure increases agro-ecosystem adversity-resistance.In the climatic condition of succes lively arid, grain yield developer continuously, the peasant revenue increases doubly, eco-envi-ronment have been improved obviously and economic, social and ecological benefits have been achieved at the same time.