A harmonious and livable living environment is an important embodiment of urban civilization. In this report，the evaluation index system of urban environmental management level is established from the five dimensions of solid waste management level，gas waste management level，liquid waste management level，ecological greening management level and noise environmental management level，and the environmental management level of 36 key cities in China is comprehensively evaluated and compared. The results show that urban environmental management has made positive progress；The environmental management level of regional cities should be consistent with the investment level of industrial pollution control；The environmental management level of some cities ranked among the top 10. Finally，the report puts forward suggestions from three aspects：strengthening regional collaborative governance of ecological environment，improving urban ecological environment monitoring capacity，and promoting digital governance of ecological environment，so as to help improve the level of urban environmental management.