The utility model discloses a control system of a rotary atomizer. The control system comprises a PLC, a remote work station, a touch screen, a rotary atomizer motor, a pump matched with the atomizer, a valve matched with the atomizer and a sensor matched with the atomizer. The remote work station, the touch screen, the rotary atomizer motor, the pump matched with the atomizer, the valve matched with the atomizer and the sensor matched with the atomizer are all connected with the PLC through communication cables. The control system further comprises a mode selective switch and can select one of a manual control mode, a local control mode and a remote automatic control mode through the mode selective switch. Working efficiency of the rotary atomization controller and the devices matched with the rotary atomization controller can be improved, and the manual control mode, the local control mode and the remote automatic control mode are combined.