The invention discloses a steam drying room. The steam drying room comprises a drying room body, a supporting frame, hooks, steam boxes, cooling pipes, a water storage pool, a water pump, steam inlet pipes, a boiler, an exhaust fan and a suction hood, and is characterized in that the supporting frame is fixed in the drying room body; the multiple steam boxes are fixedly mounted on the lower plane of the supporting frame evenly; each hook is fixedly mounted in the position, between every two adjacent steam boxes, on the supporting frame; the lower ends of the steam boxes communicate with the cooling pipes; the cooling pipes are connected with the water storage pool; the water pump is fixedly mounted in the water storage pool and connected with the boiler; the upper ends of the steam boxes are connected with the steam inlet pipes; the exhaust fan is fixedly mounted on the inner wall of the right end of the drying room body; an air inlet of the exhaust fan is connected with the suction hood; and the suction hood is obliquely fixed to the ground of the drying room body. The steam drying room has the advantages of being capable of saving energy, reducing the production cost and the like.