Abstract: The research status and application of power system, explosion-proof design, multi-parameter monitoring and communication system of coal mine rescue robots at home and abroad were introduced, and the existing problems of coal mine rescue robots, such as limited cruising ability, short walking control distance, heavy weight of explosion-proof materials, poor reliability of information processing and transmission were pointed out. The development trend of coal mine rescue robots was prospected, that is, research and development of new energy batteries suitable for coal mine is one of the development trends of power supply of coal mine rescue robot, research and development of intelligent robots with autonomous walking, positioning and path planning is the development trend of coal mine rescue robots in the future, lightweight explosion-proof materials, intelligent integration of multi-source information, wireless and wired communication mode will also be the direction of intelligent development of coal mine rescue robots.