(This article is about the remote control of the manipulator. Mitsubishi FX2N series PLC is selected as the controller, and the computer is used as the main station to realize the visual remote control of the manipulator. The composition of the control system is introduced, and the design method of the control system is discussed. The practice shows that the interface of the machine is harmonious and simple, the data transmission is accurate and reliable, and the remote control is safe and stable.)