Abstract: Water plays a key role,and there are many water resources issues for the development in the Northwest China.In this article,based on the analysis on the regional characteristics of water resources in the Northwest China,some aspects which are very important for the west-development,regarding of the ecological environment and its management,tree planting and desert fathering and others were discussed.Finally,the writer pointed out that the west-development depends fully on the available capacity of water resources in the regions,we have to return the water,which should be used for natural ecological environmental system but has been robbed by human,back to its original purpose,and water projects which transfer water from one basin to another one are the ultimate way to solve the water-shortage problem in the west China.