In the implementation of the strategy of major development of west China, water resources must be rationally exploited and utilized in the areas of northwest China so as to ensure the economic development and the ecological safety. Therefore,following issues must be paid a great attention to and be well settled: (1) To raise the utilization benefit of water resources; (2) To moderately exploit and utilize groundwater; (3) To construct the mountainous key water control projects in the regions with the fav...