Hot compress therapy is the use of hot objects such as hot water bottles or hot towels placed on the pain to eliminate or reduce pain, which is an ancient form of hot compress therapy. It can make the local capillary dilation, blood circulation speed up, play the role of anti-inflammatory, detumescence, dispelling cold and dampness, reducing pain, eliminating fatigue.

Because this method is simple and easy to achieve, it has not only been used from ancient times, but also become one of the common therapies for self-prevention and treatment in People's Daily life. Hot compress therapy can be generally divided into drug hot compress therapy, loess hot compress therapy, water hot compress therapy, salt hot compress therapy, sand hot compress therapy, brick hot compress therapy, steamed cake hot compress therapy.

The indications of hot compress, especially the application of traditional Chinese medicine hot compress, are very extensive for arthralgia, such as the pain caused by rheumatoid arthritis; Trauma, especially soft tissue injury; Digestive system diseases, such as stomach pain, stomach distension, adhesive intestinal obstruction, intestinal flatulence, and women dysmenorrhea and other diseases have better curative effect.

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