It is specially designed for preventing and curing the bedsore of bedfast patient. Through micropore on surface of air cushion, slight air blowing out to cool the body of patient, keep the skin dry and prevent breeding of pus cell so as to prevent and cure the bedsore of patient snugly supported by air-filled cushion. This product consists of air pump and air cushion. The cushion is made of rubber coated nylon cloth and then has such characteristics as high strength, light and slinky, clean and convenient, safe and durable features, etc. Its electromagnetic vibrating air pump has features of high efficiency, low energy consumptionn, low noise and long-term operation stability. All the aforesaid features make it the best product for prevention and curing of bedsore.