Foot bath, also known as foot bath, is a common method of health care treatment. The human feet together like a miniature of the whole person, each tissue and organ in the feet have their corresponding anatomical parts, is the concentration point of the meridians, also known as reflex zones, associated with the human nerves, connected to the five organs and six internal organs. Through the stimulation of the reflex zones of the feet to regulate the physiological function of the diseased tissues and organs, and has degenerated or lost the function of the tissues and organs more or less restore some of the original physiological function, can play a disease cure, no disease to strengthen the role of the body. Foot bath with a water temperature of 40 ℃ is appropriate, once a day or every other day, for 20-30 minutes, foot bath apparatus to wooden barrel is appropriate, the best water did not pass the calf, to ensure that the water temperature is constant, soak to the back is hot or slightly sweaty is the best. Through the warming effect of stimulating the foot meridian acupuncture points, to achieve the meridians, eliminate cold and dampness, swelling and pain, balance yin and yang; expansion of the lower limb blood vessels, release the spasm; to benefit the blood and fluid, promote the circulation of blood, metabolism; stimulate the body’s own regulatory function, to achieve the purpose of treatment and health care. It is worth noting that many people believe that sweating can detoxify the body, soaking feet when blindly pursuing a lot of sweating, in fact, if sweating too much, easy to damage the body’s fluids, damage the heart yin, resulting in a lack of heart yang, can appear palpitations, gas suffocation, weakness, dizziness, chills and other symptoms. In addition, foot soak should also pay attention to 1, the foot soak should not be too long, the temperature should not be too high. 2, foot soak for people suffering from cardiovascular disease, low blood pressure, pregnant women, menstrual women’s disease, etc., there is an increased risk of morbidity. 3, within 1 hour after meals and fasting are not suitable for foot soaking.