How long can a pillow using hot compresses be good, according to the severity of the patient’s pillow, as well as their own repair ability and other factors for objective analysis. A, if the range of the pillow is more limited, and their own repair ability is strong, this time through the local hot towel wet compress and hot ointment package external compress, can improve local blood circulation, loosen the continuous muscle spasm, generally 2-3 days after the pain symptoms of the pillow can be completely relieved. Second, if the range of the pillow is more extensive, and the patient is old and weak, their own repair ability is poor, this time simply use hot compress treatment recovery time is slow. It may take about 7 days to completely relieve the painful symptoms of the pillow.