This system is based on distributed Bluetooth positioning technology, which can effectively achieve personnel location management. The specific functions include real-time location display, trajectory playback, video linkage, electronic fence, alarm management, inspection management, attendance management, etc. This system is mainly applied in fields such as chemical engineering, electricity, tunnels, docks, construction sites, elderly care, judicial institutions, schools, etc., effectively improving management efficiency, reducing management costs, and effectively reducing the occurrence of safety accidents.