Soaking feet can promote blood circulation to drive away cold and warmth, and can relieve fatigue, but also can play a role in improving the quality of sleep. If the blood circulation is not good, people are prone to cold hands and feet. Soaking feet can make the blood vessels in the feet dilate, promote blood circulation, thus playing the effect of cold. At the same time, it can also promote tissue reflux, make leg edema subside, can effectively play the effect of relieving fatigue, thus improving the quality of sleep. Therefore, soaking the feet before going to bed is conducive to relaxing the body and facilitating sleep. At the same time, the soles of the feet have a large number of human acupuncture points and meridians, male foot soak can be warm through the meridians, for the weak kidney weakness has a certain role in regulating the effect of massage with the effect is better.