Environmental governance integration is an important mechanism for regional environmental cooperation. Comparison of different stages since the formation of the international metropolitan circle environmental problems and environmental strategy，with global city as the center of Paris metropolitan area environmental governance summarize experiences and lessons，explore Paris metropolitan area environmental governance implementation of integration path and the effect，and the management of water pollution，air pollution management and environmental management three aspects to our country in Shanghai as the center of the Yangtze river delta region environmental cooperation，in order to the local governments in Yangtze river delta and the environmental protection department to provide the reference.