The invention discloses a self-cleaning camera. One end of a cleaning brush is rotatably fixed on a shell at the edge of a camera lens, and the other end of the cleaning brush is arranged on the camera lens; the bottom of a motor is fixed above a first substrate, a driving shaft is arranged at the top end of the motor, and a first gear is fixedly arranged on the driving shaft; a base used for containing the camera is arranged above a steering block, the camera is arranged in the base, a second gear in mesh transmission with the first gear is fixed below the steering block, and the second gear is connected with a third substrate by virtue of a shaft; the third substrate is parallel to the first substrate and is arranged above the first substrate, and the third substrate and the first substrate are respectively vertically connected with two opposite sides of a second substrate; and a controller is fixed in a square box and is connected with the camera by virtue of a circuit. The self-cleaning camera disclosed by the invention has the advantages that height of the camera can be conveniently adjusted, self-cleaning function is realized, and resolution ratio of the camera can not be reduced due to dust, fog and the like in the air.