Considering the environment problems and optimizing the social welfare in economic development is the goal of social development that every country is pursuing. Environmental Kuznets curve reflects the basic relationship between a country's economy and the environment. This paper analyzeg the environmental impacts of the development trend of China environmental Kuznets curve through the influence of China trade policies and environmental policies on environment. The author affirms the government's trade policies for the deterioration of the environment and the control of environmental effects, and on this basis introduces the economic policies adopted by the government to protect the environment. From what we mentioned above, we can see although Chinese government's direct intervention to some extend has controlled the environmental pollution, however, the government's direct intervention is coordinate between economic growth and environmental external means, and economic efficiency is the fundamental reason. Therefore, only by improving the efficiency of the current stage of China's economy, the government's direct intervention in order to give full play to their effectiveness, maximum speed of the Environmental Kuznets Curve to improve its speed, thereby improving the level of social welfare.
【Key Words】Environmental Kuznets Curve; Trade policy; Environmental Policy; Economic efficiency
