The integration of 5G technology and industrial internet can realize the all-round interconnection and the remote real-time control of mine personnel, equipment and environment production equipment, promoting the intelligent development of coal mines. In Dahaize Mine, a research on intelligent and safe mining based on 5G in the complex environment of the deep part of the mine was carried out, and the integrated mining automation, multi-functional terminal and robotics based on 5G technology was studied, which can realize the unmanned operation of the working face site and significantly improve the safety of mining.