in 2002—2013 per capita GDP of Chinas 31 provinces, the intensity of water as a variable, the environmental kuznets curve model building panel, respectively study and three major areas of the countrys economic development and water use efficiency. The results showed that the country, the northeast and east zone, the Midwest area, falls far west zone formed in turn N, N, U, and U change trend. From scale effect, technology effect, structure effect, and the four angles of regulation and investment, explain the three zones and its specific province water use efficiency and the relationship between economic development form.