Intelligent site management system uses Internet of Things, 3D modeling, video monitoring, laser monitoring and other technologies, relying on laser monitoring equipment and mobile inspection equipment for real-time safety monitoring of site operation and for safety inspection work to be monitored and managed, and combined with 3D simulation site, real-time dynamic monitoring of site operation, achieving site supervision work "full coverage, high frequency, no dead zone, no blind spot", thus ensuring site safety operation, reducing accidents.