Abstract:SThe treatment of black and odorous water bodies is an important task of water environment treatment in China at the present stage. The treatment of black and odorous water bodies and the construction of sponge cities partially coincide with each other in terms of construction objectives, locations and scope, and there is a need for joint construction in terms of construction measures, means and ways. This paper studies the treatment of black and odorous water bodies and the joint construction of sponge cities from three aspects: source control and sewage interception and rainwater source reduction, living water circulation and rainwater purification and utilization, ecological restoration and rainwater regulation and storage, so as to reduce project investment, improve the effect of comprehensive treatment of water environment, maximize project benefits, and provide reference for professionals