The comb bath is a variation on the ancient "skin rubbing exercise". Comb bath can remove the aging tissue cells on the body surface, make the sweat glands and sebaceous glands excreted unobstructed, but also promote the blood circulation of the skin, enhance the physique, and improve the ability of cold resistance and disease resistance. Recently, scientists conducted a survey of 200 elderly people who insist on friction and found that they are on average 6-7 years younger than people of the same age who do not do friction and hardly catch a cold. The comb bath is generally carried out according to the following steps: ① bath, bath must be combined with deep breathing, so that the body into a completely relaxed state; Stand out of the bathtub to rest for a while, because of the role of water pressure, blood flow to all parts of the body, the human body is more active metabolism; ③ Immerse the body again in hot water at 40 ° C to 50 ° C for about 4-5 minutes, and do some waist twisting, twisting, bending the knee and other actions; ④ After leaving the bathtub for 1-2 minutes, you can choose a long-handled comb to start combing the body, starting from the part away from the heart, the part that can not be forcibly combed can be wiped with towels, and the part of fat accumulation should be combed; After combing, take a water bath again to make the skin clean and refreshing.