The invention discloses a replaceable cleaning device for a smoke machine. The replaceable cleaning device comprises a box, a smoke discharging pipe, a cooking fume filtering device and an oil collecting tank. The box is arranged on the smoke discharging pipe, and the smoke discharging pipe penetrates the box to exhauste cooking fume. The upper end and the lower end of the box are sealed, and an air drawing pump is arranged on the top of the box. The cooking fume filtering device is obliquely arranged in the box, and is in sliding connection into the box. The oil collecting tank is arranged atthe bottom of the box. The obliquely-arranged lowest end of the cooking fume filtering device penetrates the box and is connected with the oil collecting tank, and the oil collecting tank is used forcollecting oily matter adsorbed by the cooking fume filtering device. The cooking fume filtering device can be used for filtering the oily matter and smoke particles in the cooking fume, the cookingfume filtering device can be replaced, cleaned and repeatedly utilized, and circular cleaning of the smoke machine is achieved.