The utility model relates to monitoring substations of coal-mine safety monitoring systems, and specifically relates to a coal-mine-used wireless access monitoring substation. An intrinsic-safe power supply 109 in an intrinsic-safe housing is electrically connected with a central processor 103 and a communication circuit 105, an infrared remote-control appliance 108 is in infrared connection with the central processor 103, and the central processor 103 is electrically connected with a display circuit 107. The coal-mine-used wireless access monitoring substation is characterized in that the central processor 103 is further electrically connected with a wireless module 102 and the communication circuit 105. According to the utility model, a CAN bus advanced chip is designed to be used in the communication circuit 105, improving the reliability of signal transmission, and the wireless module 102 is added in the system, thereby enabling the substation to have a wireless access function.