The smart construction Internet of Things management platform of Huaifang Reclaimed Water Plant integrates live video, personnel management, data monitoring and material management into the Internet of Things platform through the network system and 3D GIS technology, so as to realize remote network access between PC and mobile phone, and improve the remote management and control ability of managers. The platform supports both web and mobile APP, which can access live video in real time and control the rotation, zoom and playback of live cameras.