The invention relates to the technical field of clothing related equipment, and discloses an exhaust device for producing and packaging summer shirts. The exhaust device comprises a workbench, the inner side surface of the workbench is rotatably connected with a rotating shaft, the outer side surface of the rotating shaft is rotatably connected with a rotating wheel, the inner side surface of the rotating wheel is slidably connected with a convex rod, and the outside of the convex rod is fixedly connected with a lifting plate. The outer side surface of the lifting plate is fixedly connected with a positioning plate. Through the interaction of the rotating shaft, the rotating wheel, the convex rod, the lifting plate, a rotary shaft, a chain, a chain wheel, a positioning plate, an exhaust wheel and a fixed rod, gas in a packaging bag can be extruded and exhausted after shirts are bagged; and the situation that after the packaging bag is sealed, a large amount of gas is contained in the packaging bag, so that the packaging bag expands in the process, and consequently follow-up clothes boxing is affected is avoided, the space occupation amount of the packaged clothes is greatly reduced, follow-up storage and transportation of the packaged shirts are facilitated, and the requirements of actual production and packaging work of the shirts can be met.