The people often say foot soak, from the ancient Chinese bath method. As early as in the Spring and Autumn Period, the Book of Rites has documented the “fumigation, steaming, dipping and soaking” therapy of using herbal decoction to smoke and soak. In the “Fifty-two Diseases Formula”, there is a prescription for the treatment of infantile epilepsy, and in the “Book of Rites”, there is a record that “if there is a wound on the head, then take a bath, and if there is an ulcer on the body, then take a bath”. It can be seen that medicinal bathing is an important method of health care and treatment in Chinese medicine. Medicine bath is divided into local medicine bath and whole body medicine bath, foot soak is commonly used for local medicine bath. First, the principle: foot bath is through the temperature and drugs, the use of the skin’s imperial evil, secretion, absorption, penetration, excretion, feeling and other functions, the role of local skin, muscles, joints, improve the metabolism of the three, strengthen its function, and through the absorption of drugs by the skin, for the treatment of local and systemic diseases. It can harmonize the body’s qi and blood, adjust the functions of the internal organs, and treat a variety of diseases. The foot is called the “second heart” of the human body, it is a mysterious “organ” containing infinite treasures. The small space of the foot brings together half of the body’s meridians. The foot is the beginning of the three Yin meridians (liver, spleen, kidney), the end of the three Yang meridians (stomach, gallbladder, bladder), the foot has 52 bones, 66 acupuncture points and the five internal organs have close contact. Calf skin cuticle thin, rich in blood vessels, nerves, muscles, the use of drug absorption, so we often choose the calf and foot as a local bathing area. Second, the advantages of foot soak: safe, comfortable, cheap, effective, convenient, non-toxic side effects. Third, the foot soak before the preparation: 1, the container: (1) the texture should be harmless, safe, good insulation performance. (2) the height of the general foot soaking basin is better than 20 cm [not over the ankle]. 2, water: clean water, tap water, river water, well water, etc. 3, choose the foot soak: hot water foot soak: a single foot soak with hot water, without adding any additional items, the apparatus used is no different from other foot soak. Single hot water foot soak, as can accelerate blood circulation, through the blood, detoxification, improve the body’s metabolism, also has a very good health care effect; of course, how the body has disease, then a single hot water foot soak on the cure is not much utility. Drug foot soak: before decocting Chinese medicine, it is best to soak the drug in cool water for about 30 minutes or more, so that the drug is soaked through and the active ingredients of the drug are easily dissolved out during the decoction process. Boiling Chinese medicine is usually done with a high fire, and after the water is boiled, it is changed to a gentle fire and decocted for about 30 minutes, then poured out and set aside. A pair of drugs can be decocted 2-3 times to mix the drugs together and the dregs can be kept. If the patient is taking Chinese medicine, you can use the third decoction of internal Chinese medicine for soaking. 4, pebbles: foot soaking basin with pebbles, the uneven surface of the stone can stimulate the acupuncture points on the bottom of the foot (Yongquan, Rangu, Taixi, etc.) or foot reaction area, playing a role similar to foot acupressure. Selection criteria for the round and smooth, similar in size is preferred. Fourth, the foot soak method: 1, the temperature of the foot soak water, the temperature of the foot soak water to 30-38 degrees is appropriate, but preferably not more than 40 degrees. 2, the time should not be too long, preferably controlled in 15-20 minutes. 3, the water depth should be at least more than the ankle, it is best to use a deeper, larger bottom area of the wooden barrel or enamel basin, so that the feet can be comfortably placed flat in, and it is best to let the water has been soaked to the calf. 4, after soaking feet while the feet are hot rub the soles of the feet, you can find the pressure point of the foot pressed, and timely wear socks to keep warm. Five, foot soak precautions 1, should not soak the crowd: children are prohibited to soak feet. Foot arch is formed from childhood, so pay attention to protection from childhood. If commonly used hot water to children’s feet or scalding, the ligaments of the soles of the feet will become loose, not conducive to the formation and maintenance of the arch, easy to form flat feet; certain acute infectious diseases prohibit foot soaking; bleeding diseases prohibit foot soaking; frozen feet can not be hot. There is also a part of the cardiovascular, long-term diabetic patients to choose according to the doctor’s advice. 2, the time can not be too long, preferably controlled in 15-20 minutes. Too long, the local blood circulation of the feet for a long time too fast, the body blood will also flow more to the lower limbs, will cause cardiovascular overload. And the winter climate is already dry, the skin in hot water soaking time is too long, but also lead to too dry skin, pruritus, so regardless of the age of people soaking feet, after the end of the best use of certain emollient products, so that the skin to maintain a certain amount of moisture. 3, the water temperature can not be too high. Many people feel that as long as within their tolerance, the water temperature is naturally the higher the better, in fact, it is not. The best water temperature in the foot bath below 50 ℃, hot but not hot, feel the water temperature do not use your hands to measure, it is best to use your feet to feel. If the water temperature is too high, the blood vessels on the feet are prone to overexpansion, more blood flow to the lower extremities, but easy to cause the heart, brain, kidneys and other important organs insufficient blood supply, the body is not good. 4, sweating should not be much, to the body sweat slightly as degree, do not sweat profusely. 5, half an hour after meals should not soak feet, it will affect the supply of blood to the stomach, long-term malnutrition. 6, foot soak can not immediately go to sleep, to wait for the whole body heat slowly reduce the best effect before going to sleep. 7, the amount of water should not be too little, at least not over the ankle joint. 8, foot soak when the spirit of relaxation, avoid reading books, television and other habits. 9, foot soak bucket to be cleaned in a timely manner, to maintain hygiene, clean.