Currently China's water resources have met many problems, such as water resources shortage, water pollution phenomenon, flood and drought coexistence, water ecological environment deterioration and so on. Based on the series of objective facts, this paper from international and domestic visuals analyses what challenges and opportunities water resources will encounter with in the new environment. Then it illustrates the unsolved problems of water resources from perspectives of system, market, technology and policy. At last, according to the status and features of water resources governance in o...