In order to improve the efficiency and quality of grinding and polishing，reduce the harm of environment pollution to human body，an integrated control system for automatic grinding and polishing robot was designed.In the control system,PLC was taken as the main control unit，robot and polishing end effector were taken as an executive uint,communicated with the main control unit base on Profinet,the human-computer interaction interface of the upper computer and database were designed base on QT programming environment.The hardware composition of the control system，processing flow，integrated control system scheme，the key technology of control system communication,database management design were introduced.After verification,the control system has high grinding efficiency,reliable performance and friendly man-machine operation.