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The paper introduced working principle of underground personnel position and management system based on RFID technology and its application in Shanxi Gaohe Energy Co., Ltd. in details. The system can send information of dynamic distribution of personnel in all underground region to ground monitoring center in-timely and accurately, so that managers of coal mine can know current total of underground personnel and their distribution. The practical application showed that the system is stable and realizes monitoring, query, location and tracking management of underground personnel, which improves ability of resisting disaster of mine, and provides an important guarantee for coal mine safety production.