Abstract: In order to improve automation level and production efficiency of fully mechanized coal face, the paper proposed a design scheme of automatic combination cutting-and-conveying unit of fully mechanized coal face. The unit uses visual computer monitoring and control system to control complete equipments of combined switch, electrical haulage shearer, hydraulic supports, conveyor, loud-speaking telephones along the coal face and intelligent emulsion pump through CAN bus. The actual application showed that the unit realizes functions of remote and centralized monitoring and control and management for fully mechanized mining equipments.