Picture frame with dust removal function

The utility model discloses a picture frame with a dust removal function. The picture frame comprises a picture frame body and dedusting mechanisms, the front of the frame body is connected with the back of the dedusting mechanism; the picture frame body is composed of a common picture frame, a mural and a frame type protective cover. A common picture frame is arranged on the back surface of the picture frame body; a mural is mounted in the common picture frame; the periphery of the front surface of the common picture frame is connected with a frame-type shield; a cylindrical rod is arranged at the upper end of the dedusting mechanism; the outer part of the cylindrical rod is rotationally sleeved with a rotary drum; cleaning sponge is fixedly installed on the outer side of the rotary drum,gears are fixedly connected to the two ends of the rotary drum, racks are meshed with the back faces of the gears, sliding sleeves and threaded sleeves are connected to the left ends and the right ends of the cylindrical rod