The integrated positioning system is a comprehensive personnel positioning system including rescue data collection, transmission, command, positioning and rescue functions. It integrates the functions of indoor and outdoor firefighter positioning, rescue, identity information registration, SCBA pressure monitoring, vital signs monitoring, and firefighter status monitoring. The whole system adopts self-developed MESH ad hoc network and 4G/5G dual-channel transmission technology, which improves the reliability of information interaction and data transmission, and greatly protects the personal safety of firefighters.