The invention discloses a lampshade with a self-cleaning function. The lampshade comprises a round shell, wherein a micro controller and a mains supply interface are arranged in the round shell, a round lamp panel is arranged on the lower surface of the round shell, an LED illuminating lamp is arranged on the round lamp panel, a round lampshade is arranged on the lower surface of the round shell and located below the round lamp panel, an annular groove is formed in the side surface of the circular shell in a machined mode, an annular sliding rail is arranged in the annular groove, an electriccontrol moving trolley is arranged on the annular sliding rail, a mounting plate is arranged on the front surface of the electric control moving trolley, a dust collector module is arranged on the front surface of the mounting plate, the lower surface of the dust collector module communicates with a first vertical dust suction pipe, and the lower end of the first vertical dust suction pipe communicates with a first horizontal dust suction pipe. The lampshade has the beneficial effects that ash scraping strips are arranged on the inner surface and the outer surface of the lampshade, and dust issucked away by a small dust collector in the dust scraping process, the cleaning is more thorough, and the lampshade can be cleaned more conveniently.