Abstrcat Base on System Dynamic Model, the interaction of production-living system, and meeting the water demand of riverway ecosystem to some degree, the Spatiotemporal Coupling Formula of Water System and Social Economical System is put forward. According different develop goal and policy condition, runs economy high-speed develop model(HD), water-economy coordinated developing model(CD), water-moved develop model(MD) separately. MD is the best way to resolve water resource and social economical system problem in Guanzhong region. At present, the amount of water that moving from other zone can not reach the demand of economy development completely in the future. Planning more water-transportation projects is necessary and makes it works before the schedule