Sea salt bag hot compress is often used clinically for the treatment of pelvic inflammatory disease, rheumatoid arthritis and other diseases, sea salt bag hot compress mainly has the following effects: First, through local heat can improve the blood circulation of the affected area, promote the absorption of inflammatory factors, which can reduce the local swelling, pain symptoms. Second, the sea salt bag hot compress can play a blood circulation, anti-inflammatory and analgesic, accelerate the role of the body’s metabolism, can improve the body’s immunity, prevent the occurrence of disease. Third, the trace elements within the sea salt, can regulate the energy balance of the body, to play a strong and healthy effect. When applying hot compresses clinically, be sure to pay attention to the use of hot towels wrapped around the sea salt bag to avoid skin burns caused by the high local temperature, and the duration of each hot compress is about 20 minutes. For patients with tumor lesions it is not recommended to use sea salt bags for hot compresses to avoid the spread of tumor cells and cause serious complications.