Soaking feet with hot water can warm kidney and strengthen yang, but soaking feet with hot water alone can only regulate kidney deficiency, and only by adding appropriate Chinese medicine can it play a therapeutic role. Only by adding specially prepared aphrodisiac Chinese herbal medicines can the problem of kidney deficiency be adjusted. The principle is to use hot water to soak feet to stimulate foot acupoints, so that the thermal effect in hot water will promote foot absorption? Traditional Chinese medicine ingredients in water can achieve the effect of treating diseases.