Sea salt hot compresses on the stomach can promote blood circulation, dispel cold and dampness, relieve pain and disperse cold. Hot compresses on the stomach during menstruation can relieve dysmenorrhea, treat coldness in the uterus, poor menstrual blood and dark color. Sea salt hot compresses can help unblock the fallopian tubes, have an anti-inflammatory and analgesic effect on pelvic inflammatory disease and tubitis, and can also eliminate excess water from the body to achieve slimming purposes and improve metabolism. Local sea salt compresses on the stomach can relieve muscle spasm, reduce pain, improve indigestion, treat wind and cold, etc. Women with uterine cold and dysmenorrhea are advised to start applying hot compresses on the 2nd-3rd day of menstruation to avoid causing dilatation of the uterine pelvic vessels and an increase in menstrual blood. Usually pay attention to rest, relax and avoid cold stimulation.