Abstract: A controlling device with visual recognition functions comprises a switch, a CCD camera and an infrared-emitting diode; it is installed with a power source, a visual recognition circuit, a signal processing circuit and a remote controlling circuit composed of signal emitting circuit; the power source supplies electric power to the visual recognition circuit, the signal processing circuit and the remote controlling circuit composed of signal emitting circuit; the visual recognition circuit is connected to the signal processing circuit and the signal processing circuit is connected to the signal emitting circuit. A complete remote controlling system is composed by the remote controlling device and a receiving part installed in the controlled device.