The proposed solution addresses the issue of low manual cleaning efficiency and the high risk associated with the manual cleaning process in automobile painting workshops.The automatic cleaning control system for sliding high-pressure water in the coating workshop has been redesigned,including both hardware and software.The system's process flow and safety functions have been meticulously arranged to ensure effectiveness.Overall,the system is equipped with complete functions,stringent logic,high efficiency,intelligence,and environmentally friendly,energy-saving features.at the same time,it also provides a usefu reference and example for the workpiece cleaning control systems in industries other than painting industry.