Outdoor and indoor navigation and navigation services are carried out through BLE communication, and the user can send messages through the structure of the APP to introduce the characteristics of the users, and plan the navigation services for the characteristic locations. The service of providing distress signals for the dark corners of the area can instantly lock the distress area to speed up the possibility of rescue. It also provides a sensor monitoring system for the BLE base station, which can know the real-time environmental conditions in each area.