Rehabilitation treatment bed

The utility model relates to a multifunctional bed and particularly relates to a medical treatment bed. A rehabilitation treatment bed comprises a bed main board, wherein a buttock groove is formed in the bed main board, a left buttock air cushion and a right buttock air cushion are installed in the buttock groove, the left buttock air cushion and the right buttock air cushion are fixed by hinge leaves arranged on the two sides of the buttock groove, inflation holes are formed in certain ends of the left buttock air cushion and the right buttock air cushion, a detachable inflation tube is connected to each inflation hole, an inflation bag is connected to each inflation tube, and air blockage plugs matched with the inflation holes are arranged at the sidepieces of the left buttock air cushion and the right buttock air cushion above the inflation bag. The size of the groove can be adjusted by two rapid air inlet valves and rapid air outlet valves by means of a tension plate, so as to adapt to people with different individual sizes; a waist air cushion and leg air cushions are additionally arranged on the groove to support people who lying on the bed, and the heights of the air cushions are liable to control, so the middle of the buttock is suspended to prevent painful parts from being extruded, and the patients are not beset by pains during sleep and rest.