Outdoor electronic screen with self-cleaning function

The invention discloses an outdoor electronic screen with a self-cleaning function. The outdoor electronic screen with the self-cleaning function comprises a screen body, a sliding box is connected tothe bottom of the screen body in a sliding mode, and a first servo motor is installed on the inner wall of the sliding box. The outdoor electronic screen is simple in structure, through mutual cooperation of a longitudinal screw, the sliding box, an electromagnet, a first rack, a second gear, an air bag, a transverse screw and other structures, rotation of a rotating roller and bristles on the rotating roller is achieved, a screen is cleaned, and while a first shaft rotates, the first shaft drives a dust blowing pipe to rotate clockwise and erect vertically through chain transmission; a firstair cylinder is driven by a sliding base to move along a corrugated strip, airflow is continuously generated to blow to a screen, dust on the surface is blown away, the cleanliness is further improved, the dust falls into a d