Hot compress is useful for frozen shoulder, because it is mainly through local thermal stimulation, thus promoting local blood circulation, promoting the absorption and decreasing of inflammatory edema, thus relieving the pain, and after hot compress, it can also promote the softening of scar and the release of adhesions. Hot compresses are useful for patients with frozen shoulder to promote the absorption and decreasing of the aseptic inflammatory edema in the frozen shoulder, thus relieving the pain in the frozen shoulder. Patients with frozen shoulder can apply hot compresses to the shoulder joint every morning and evening to relieve pain. After applying hot compresses, you must perform shoulder lift exercises in time to restore the normal function of the shoulder joint.