Chinese herbal medicinal bath therapy is a unique external treatment method of the motherland medicine, especially in recent years, Chinese herbal foot bath therapy is becoming more and more popular. Herbal bath therapy has a long history, as early as in the “fifty-two disease formula” there are records of herbal bath therapy. Suwen yin and yang should be like a great theory of the cloud: “evil in the surface, impregnated with the form of sweat,” pointing out that the bath can help the evil from the surface and hair. The Treatise on Miscellaneous Diseases of Typhoid Fever utilized the lily washing formula and the bitter ginseng soup to treat lily disease and fox puzzling disease, which is a successful example of the early application of medicinal bathing therapy in the clinic. Liu Juan Zi’s Ghost Legacy Formula used Angelica sinensis, Chuanxiong rhizome, licorice, and aconite to wash tattoos with decoction water to treat sores in the yin. The application of medicinal bath therapy was further popularized in books such as Thousand Gold Formula, Compendium of Materia Medica and Surgery. First Affiliated Hospital of Henan College of Traditional Chinese Medicine Pediatrics Dian Yingbin Qing Dynasty medicinal bath method is more mature and perfect, in the earlier book of external treatment, “Li Bo Pianwen” recorded in the medicinal bath therapy involves internal, external, gynecology, pediatrics, the five senses, skin and other disciplines, and its medicinal bath is extremely rich in variety. One of the foot baths also discussed the treatment of disease, cloud: “lying Maundy feet, three yin are up in the foot, refers to the cold and from the heart of the foot into the Maundy reason to warm the sun but also the cold.” In recent years, traditional Chinese medicine external treatment method is in the ascendant, highly favored by doctors and patients, medicinal bath therapy reports are increasing day by day. Our scholars Chinese medicine bath on rheumatoid arthritis, uremia, infantile diarrhea, primary dysmenorrhea, impetigo, pediatric exogenous fever, etc., carried out extensive research, and achieved remarkable clinical efficacy. Why is herbal medicinal bath therapy developed and widely used in clinical departments? First of all, medicinal bath therapy is a unique way of drug delivery. The medicinal bath, also known as “hydrotherapy”, is a decoction of Chinese herbs with water, and the medicinal liquid is taken to bathe the local or whole body. The medicinal bath can moisturize the skin, open and open the coupling, and its medicinal effect through the human skin, acupuncture points to reach the meridians and internal organs, and the internal treatment is the same. Modern research shows that the drug ions in the bath solution through the skin and mucous membrane absorption, diffusion, radiation and other pathways into the body, to avoid the first pass effect of the liver, reducing the toxic side effects. At the same time, the warm effect of medicinal bath solution can increase the temperature of tissues, diastole capillaries, improve circulation, accelerate the blood, and through the skin and tissue absorption, regulate the local immune state, inhibit and reduce the release of biologically active substances (e.g., histamine, pentraxin, prostaglandins, kinetic, bradykinin, slow response substances, etc.), so as to achieve the purpose of treating the disease safely and effectively. Secondly, Chinese medicine bath therapy is to treat systemic diseases through localized bathing, with a wide range of treatment scope. Chinese medicine believes that the internal organs of the human body and the tissues and organs on the surface of the body are an organic whole. Therefore, the active ingredients in the bath solution through the local into the body to adjust the function of internal organs and treatment of disease seeking. Some scholars believe that the foot for the three yin meridian starting point and three yang meridian end point, yin and yang convergence, the distribution of more than 300 points, foot bath so that the drug absorbed through the skin points to play its efficacy, with drugs, points of the double therapeutic effect, the efficacy of the treatment is multiplied. Thirdly, Chinese medicine foot bath therapy is characterized by simplicity and inexpensive. Chinese medicine foot bath is easy to use, no special equipment, not subject to environmental conditions too much restriction, the drugs used are cheap and easy to get and the therapeutic effect is obvious, the patient is happy to accept, so it can be used as a kind of effective characteristic therapy to be popularized and developed and utilized, so that the motherland medicines to carry forward, for the benefit of mankind.