Illuminating device capable of automatically removing dust

The utility model relates to the field of lamps, aims to solve the problem that a lampshade is shielded by a cleaning part in an existing device after cleaning is finished, and provides an illuminating device capable of automatically cleaning ash, which comprises a mounting seat, the lampshade and an anti-explosion net, the lampshade is detachably connected with the mounting seat, the anti-explosion net covers the lampshade, and the lampshade is fixedly connected with the mounting seat. The explosion-proof net comprises a plurality of longitudinal rod pieces, the bottom ends of the longitudinal rod pieces are folded at one point in an arc shape in the direction of the lampshade, at least one longitudinal rod piece is provided with a containing groove, and the lighting device further comprises a plurality of cleaning pieces which are arranged along the central axis of the longitudinal rod pieces and rotationally connected with the inner wall of the containing groove. And the top end of the explosion-proof net