The Tunnel Personnel Precision Location Management System utilizes advanced Zigbee networking technology and achieves precise personnel card positioning based on TOF technology, with accuracy up to 3 meters. The system has a broad coverage range, with a single base station capable of 1-kilometer signal coverage, and supports unlimited hierarchical base station cascading to accommodate various tunnel shapes. The system integrates personnel attendance, emergency evacuation, SOS emergency assistance, real-time monitoring, track tracking, and track replay functions, offering the advantages of "low cost and high efficiency."