The Internet of things technology is used to realize the comprehensive perception of "people, machines, materials, methods and environment" on the project site, including access control system, personnel positioning, face recognition, shield machine monitoring, tower crane, gantry crane and other main construction equipment monitoring, environmental monitoring, etc., so as to provide technical support for project safety. During the construction and operation of the project, real-time dynamic monitoring of engineering geology, ground buildings, tunnels, pump houses, pumping stations, reservoirs, high-level pools, gates, water inlets, outfalls, etc., early warning, monitoring and management of project safety, and providing decision support for the safe operation and scientific dispatching of project water supply.