The invention discloses an ironing device with an air suction and dust removal functions. The ironing device comprises a base; a plurality of fixing columns are arranged in the middle of the base; a working box is arranged on the fixing columns; roller brackets are arranged at two ends of the base; rollers are erected on the roller brackets; conveyor belts are arranged on the rollers, and pass through the working box in the transverse direction; an air suction device, a bristle device and an ironing device body are sequentially arranged at parts, above the conveyor belt, in the working box inthe feeding direction; the air suction device comprises an induced draft fan, a dust removal pipeline, an air suction opening and a dust collection chamber; the bristle device comprises a bottom plate, a motor, a rotating shaft, a bristle roller and bristles; and the ironing device comprises an air cylinder, a piston rod, a steam chamber, an ironing board, a telescopic rod and a reset spring. Theironing device can be convenient for clearing and collecting dust on the surface of clothing, keeps clothing clean, is convenient for ironing of clothing, further keeps fabric smooth, improves the recovery effect, improves the operation stability and the safety, is high in ironing efficiency, and is suitable for batch production.