【摘要】The utility model belongs to the field of medical materials, and relates to a combined slowly-rebounded polyurethane spongy cushion used for preventing pressure sores. The combined slowly-rebounded polyurethane spongy cushion comprises a pillow, a scapular cushion, a coccyx cushion, and a foot cushion, which all adopt rectangular structures, have smooth surfaces, and are made of slowly-rebounded polyurethane sponge. The scapular cushion, the coccyx cushion, and the foot cushion are respectively positioned on one side of the pillow, and each pad is wrapped with cotton material. The combined slowly-rebounded polyurethane spongy cushion has a reasonable price, a proper volume and a novel design, is convenient to operate, clean and use, reduces the incidence rate of local pressure sores in clinic, solves the technical problems of expensive price, complex operation and the like of a conventional support surface for preventing pressure sores, is applied to pressure sore prevention of various patients, ensures the nursing quality of patients, reduces and prevents pressure sores, and lowers the related economic costs.