The invention discloses a dust removal and waste recovery device used in garment processing. The device comprises a work bench. The two sides of the bottom of the work bench are fixedly connected to support legs. The top of the work bench is provided with openings equidistantly. The upper portion and the lower portion of the front side of the work bench are provided with punching holes. By using the dust removal and waste recovery device used in the garment processing, through the cooperation usage of the work bench, a first telescopic plate, a moving rod, a connecting ring, a short plate, a bolt, a first motor, a pressing plate, a cutting disk, a shell, a suction fan, a fixed shell, a first hydraulic cylinder, balancing weight, a connecting plate, a fixing plate, a hairbrush, a long plate, a top plate, a second hydraulic cylinder, a sponge ring, a second motor, a leakage cylinder, a fixed block, a spring, a semicircular plate, a short rod and a hair dryer, during garment processing, dust on garments can be effectively cleaned so as to avoid dust on the surface of the garments; and simultaneously, waste materials after the garment processing can be well collected so that resource wastes are avoided.