Abstract:China, in the rapid progress of urbanization process, accompanied by urban diseases and aquatic ecological environment crisis. From the characteristics of the sponge city, sponge city project for non-construction and community projects, This paper puts forward the project management mode in the whole life cycle construction process, and puts forward the multi-party, multi-angle control sponge city construction with the Internet of Things and the cloud platform, and makes a systematic analysis of the project management mode. The conceptual stage of the whole life cycle, the planning and design stage, the construction stage, the facility stage, the dismantling and recovery stage, the causal relationship diagram of each party is designed, and the interaction mechanism of the relevant parties is analyzed.