Abstract: For the problem of low level automation and safety management of mine doors in underground substation and other important places, the paper designs access control management system which is suitable for coal mine underground environment, discusses the design idea and structure of the system, and designs monitoring substation and card reader and the host computer management software. The application of the system realizes the intelligent, safe and efficient management of underground coal mine entrance guard and achieves the purpose of downsizing staffs and improving efficiency for coal mines.