Abstract: Aiming at the features and advantages of ZigBee technology,combining with the production features of coal mine underground,the paper presented a design scheme of personnel position system of mine based on ZigBee technology,introduced wireless communication networking mode of ZigBee device in coal mine underground.It expounded wireless transmitting mode of data of ZigBee communication protocol bag between ZigBee RFD node module and ZigBee FFD node module,and gave principle of personnel position of coal mine underground and its realizing process,and structure diagram of management software system.