In coke-chemical plant the pushing machine， coke guide， larry car and quenching car of coke oven carry out some missions such as coke guiding， coke pushing， coke receiving， coal charging and so on. In the condition of task planning and transmitting correctly， it is very important to compile these missions in sequence and to make the plan execute automatically， finally to achieve the automatic operation of coke oven. The automatic control system is the foundation and the key to the automatic operation， it's significative to reducing laboring， improving efficiency， predigesting operation， insuring safety and so on. This paper mainly introduced the development and application of automatic control system for Meishan Iron and Steel Ltd. Co.'s coke oven.