Abstract: In view of the integrated design of positioning communication terminals required by the construction specifications of smart coal mines, based on UWB precise positioning network as transmission platform, a low cost and multi-function information mining lamp based on UWB technology is designed. The time slot dynamic scheduling algorithm is used to manage the precise positioning time slot and the data communication time slot, and perform TOF positioning in the precise positioning time slot to monitor the personnel position information in real time. The reliable data transmission mechanism is used, which transmits text message, voice message and real-time voice broadcast data in the data communication time slot, displays text message using LCD screen, gives alarm based on buzzer and vibration motor, plays voice message and real-time voice based on lamp horn, collects voice message based on lamp microphone and sends voice message to central station. The test and analysis results show that the positioning accuracy of the information mining lamp can reach 0.3 m, the positioning distance is not less than 400 m, the transmission delay of alarm command and text message is less than 2 s, the transmission delay of voice message between the information mining lamp and the central station is less than 8 s, and the response time of all the information mining lamp playing real-time voice is less than 2 s when the central station starts the emergency broadcast.