As the saying goes: “The tree is exhausted before the roots, and the feet are decaying before the old man”, why are the feet so important to the human body? According to meridian theory, the three yin meridians and the three yang meridians start and end at the feet respectively. Diseases of the internal organs can affect each other through the meridians, in turn, dredging the meridians, blood and qi can achieve the effect of treating the internal diseases. For example, the foot Sanli point of the foot Yangming stomach meridian, in the stomach and epigastric lesions, massage or acupuncture acupuncture points can achieve the effect of treatment of stomach disease, and the effect is significant. Therefore, the relationship between the feet and the internal organs is the epitome of the overall concept. Modern medicine also proved that the palm of the foot is densely covered with many blood vessels, there is a wealth of peripheral nerves. Stimulation of the feet can be reflected to the cerebral cortex, the brain function has a regulatory role, and through the central nervous system and then indirectly regulate the function of internal organs, is of great significance to maintain health. Winter season, before going to bed every night with hot water foot soak, persistently can relax the tendons and blood, tranquilize the mind, help dispel disease and fitness, delay aging. The role of foot soak has the following aspects: First, remove dirt, kill bacteria, washing necrotic skin cells and remove the fatty acids that produce odor. Second, the feet in hot water soaking, stimulation can accelerate the lower body blood circulation, so as to balance the return of blood circulation throughout the body, can prevent colds and bronchitis and other diseases. Third, hot water to stimulate the feet, can produce a sense of comfort, relaxation, fatigue suddenly disappeared. Blood circulation is smooth, normal metabolism. Fourth, the feet by hot water after soaking, can reduce the keratinized membrane layer, expand the blood vessels in the feet, enhance the skin’s ability to resist disease, can prevent eczema, ringworm, corns, frostbite and other diseases. Fifth, hot water stimulates nerve endings, which can calm the brain, speed up falling asleep and promote ripe sleep. Chinese herbal foot soak tablets classification: ① bitter ginseng foot soak tablets. The main ingredients are: bitter ginseng, comfrey, rhubarb, groundnut, cypress, dandelion. Specific effects are: clearing heat and detoxifying, drying dampness and relieving itching, inhibiting bacteria and deodorizing, removing foot odor, improving eczema, etc. ②Wu Wei foot soaking tablets. The main ingredients are: Schisandra chinensis, aromatic herb, nightshade, tulip, lily of the valley, calamus. Specific effects are: nourishing the heart and tranquilizing the mind, soothing the liver and relieving depression, and improving sleep. ③ Old ginger foot soaking tablets. The main ingredients are: ginger, cow’s knee, gentiana, cinnamon, douhu, Xu Changqing. Specific effects are: dispelling wind and dampness, warming the meridians and channels, activating blood circulation, relieving blood stasis, dispersing cold and pain, and improving rheumatic joint pain. ④Dangshen Foot Soak Tablets. The main ingredients are: Salvia miltiorrhiza, Radix Angelicae Sinensis, Rhubarb, Radix Paeoniae Alba, Rhizoma Ligustici, Rhizoma Ligustici. The specific effects are: activating blood circulation, eliminating blood stasis, relieving swelling and pain, and promoting blood circulation. ⑤ Ginseng and Astragalus Foot Soak Tablets. The main ingredients are: Radix et Rhizoma Ginseng, Radix Astragali, Poria, Pericarpium Citri Reticulatae, Atractylodes Macrocephala, Radix Angelicae Sinensis. Specific effects are: tonifying Qi and blood, improving fatigue. ⑥Yangqi stone foot soak tablets. The main ingredients are: Yang Qi Shi, Cuscuta, Cumin, Cinnamon, Shu Di, Serpentine. The specific effects are: tonifying the kidney and strengthening yang, warming the kidney and dispersing cold. Foot soaking is a good method of treatment and health care, but inappropriate foot soaking methods can also cause adverse consequences, so foot soaking should pay attention to the following points: 1, avoid foot soaking on an empty stomach 2, avoid foot soaking immediately after meals 3, children should not soak feet 4, avoid soaking feet when the wind 5, avoid the water temperature is too high 6, avoid rubbing the skin 7, the following diseases patients should not soak feet. Pneumonia infectious disease fever; sores, boils and other local infections of the skin; various open soft tissue injury; foot skin damage and burns; various infectious disease patients; upper gastrointestinal bleeding and excessive menstruation and bleeding tendency; serious cardiovascular and cerebrovascular disease and psychiatric patients; extreme fatigue and drunkenness are not suitable for foot soaking and fumigation. Pregnant women should only wash their feet with warm water, and should not take hot water fumigation or hotter water foot soak.