Piano-type support cushion used after lower-limb flap operation

The invention discloses a piano-type support cushion used after a lower-limb flap operation. The piano-type support cushion comprises a support base and a plurality of liftable lower limb pads. The support base is provided with an accommodating cavity, and the liftable lower limb pads are mounted at intervals in the accommodating cavity. The liftable lower limb pads corresponding to the operationpositions of the lower limb flaps are pressed to be stored in the accommodating cavity to form avoidance, and the other liftable lower limb pads are higher than the accommodating cavity. Lower limb fastening belts for fastening the lower limbs are arranged on the liftable lower limb pads, a positioning plate for positioning feet is arranged at one end of the support base, and foot fastening beltsfor fastening the feet are arranged on the positioning plate. The support cushion has the advantages of low cost, convenience in operation, prevention of postoperative flap compression, and improved comfort level. 本发明公开了一种用于下肢