Abstract: A control system for an automatic beverage packaging production line was designed based on Siemens S7-200 Smart programmable logic controller(PLC) and Kunlun Tongtai configuration software(MCGS). The core CPU of the PLC is CR40, and the upper computer uses the TPC7022Ew touch screen. The PLC is designed with program control for start, stop, alarm, emergency stop, counting, and other program contents. The touch screen is designed with automatic packaging production line status display, operation, counting display, alarm, and other contents. The control system of the designed automatic packing production line has been debugged and tested during actual operation, and has the characteristics of convenience, speed, stability, high degree of automation, and friendly operation interface.