The system of Chinese water resources sustainable development is a large complex nonlinear system. With the application of system dynamics analysis, in the paper a model of system dynamics of Chinese water resources sustainable development is tried to be built considering water resources, society, economy, population and environment as a comprehensive general system, the strategy of water consumption in the future is studied, tfying to guarantee the sustainable development of water resources in china and meemwhile to estimate the details of water resources in 2010.