Based on Siemens PLC and WinCCV6 MMI software, designed and implemented a control system for cigarette equipments centralized air-supplied, material-transported, dust-removed and Eject-damp. In this paper, the system of hardware, network structure, software design and function is introduced by a project which has been applied to Chenzhou cigarette factory. Practice shows that the system friendly interface, easy operation, security and stability, and consistent with the work requirem...