The general time to soak feet is at about four o’clock in the afternoon, because this time is the most vigorous bladder and kidney meridian qi and blood, this time soak feet can not only promote blood circulation throughout the body, but also have a very good effect on the kidneys. Hot water soaking feet is a habit that many people have, hot water soaking feet can promote blood circulation, can expand the blood vessels in the feet, promote blood circulation in the feet and the whole body, can also relieve cold hands and feet. Some patients have poor peripheral circulation in the hands and feet, hot water soaking feet can promote blood circulation, so that adequate blood in the feet, thus improving the situation of cold hands and feet. Can also improve sleep, hot water foot soak can promote metabolism, so that the spirit of relaxation, relieve fatigue, and thus improve sleep. Hot water foot soak can effectively soothe the nerves of the feet, for some people with bad legs and feet can play the role of massage and conditioning. It should be noted that children should not soak their feet, children are in the growth and development period, various functions are not sound, unstable. If you use hot water for a long time to children’s feet, will bring some influence to the neurovascular function, is not conducive to the healthy development of the foot.