Institutional innovation of urban environmental governance was a behavioral process of improving

perfecting and establishing traditional urban environmental governance system.The factors which affect the existing system innovation included incomplete information and asymmetry information

innovation dynamic mechanism

and the important role of government and related institutional factors.Institutional innovation of urban environmental governance should adhere to such principles as coordinated development and mutually benefit and win-win

complementation and promoting mutually and overall exertion

social public participation and civil organizations pushing.Currently

basic Tropism of institutional innovation of urban environmental governance mainly included market-oriented institutional innovation

government-control institutional innovation and diversification of governance main body institutional innovation.