Abstract:In the arid area of northwest China, the eco-economic zone in Heihe drainage area should be constructed, so that the water resources can be optimized, the conflicts between the upper, middle and lower reaches can be completely resolved, the benefits can be shared, the eco-environment can be protected, and the sustainable development can be realized. Moreover, it is an important approach to carry out the water-distributed plan for Heihe drainage area which is decided by the Chinese State Department. Accordi...