By deploying a security monitoring visualization platform based on 'base station + Bluetooth' positioning terminal devices, it helps China Merchants Heavy Industry (Shenzhen) Co., LTD. (project location: Zizhou Island, Qianhai, Shenzhen) to achieve safety early warning and real-time dynamic monitoring of project operation personnel. Real-time viewing of personnel location, trajectory, safety and other information can be achieved, realizing the integration of work information flow, business flow and management flow, promoting the forward movement of management, the downward deployment of safety, unified command and smooth instruction and other links.