Coarse salt is ice stone, sweet and salty non-toxic, coarse salt hot compress is commonly used in Chinese medicine hot compress therapy, its role has the following points: First, pungent warmth to drive away the cold, women with menstrual pain can use coarse salt bag hot compress stomach, can reduce menstrual pain, warm the uterus, after washing the feet with coarse salt bag hot compress feet also have the effect of driving away the cold. Second, pain and anti-inflammatory, if the body pain with coarse salt bag hot compress, can accelerate blood circulation to relax the muscles, to stop pain and swelling, eliminate fatigue. Third, kidney, men in middle age will have frequent urination, hernia, impotence and other symptoms, the use of coarse salt bag hot compress navel, while with the kidney diet can replenish the kidneys and strengthen the body. Fourth, beauty and body contouring, adding moxa to the coarse salt bag hot compresses can discharge water from the body, to achieve the effect of weight loss.