The utility model discloses an automatic mechanism of removing dust of film production, including dust removal mechanism body, be equipped with dust collecting tank on dust removal mechanism body, theinstalling support board, the drying cabinet, transmission portion, the discharge gate, inhale the ash chute, the binding dust roller, electrostatic roller, the encapsulation box, the guide roller, the compression roller, the manometer, the valve switch, the installing support, move the movable rail way, the present invention has reasonable design, at the internally mounted of dust removal mechanism inhale the ash chute, the binding dust roller, electrostatic roller, adsorb to fall through inhaling the dust that the ash chute was floating the film surface, dust in the interior air of the mechanism's body that also will remove dust simultaneously siphons away, the dust that the binding dust roller that reuses comparatively hard dropped the film surface adheres to fall, clear away the duston the film once more through electrostatic roller at last, processing through A number of processes, thereby guarantee the clean and tidy degree on film surface, clean effect more.