Using PLC and configuration software MCGSE,the double-sided milling combination machine control system was designed to improve machining efficiency and degree of automation． PLC control system and host computer configuration software were illustrated in this paper.Actual application of system improves the controlling level and performance of electricity in a comprehensive way． The control system hardware circuit is simplified.Maintenance,examining and repairing are more convenient．It provides reference for the design of related machine control system．