Washing Yao bath is the bathing culture of Yao nationality in Qiandongnan. Yao bath has a bathing culture for thousands of years. Yao bath is mainly used for curing diseases, keeping in good health, expelling toxin, caring skin and expelling cold. Yaoyu bath health care therapy is a kind of Yaoyu bath to treat diseases. Yaoyu bath achieves therapeutic effect through the warm, mechanical and chemical actions of water and the fumigation of medicinal steam and liquid medicine. It has a series of health care effects, such as dredging meridians, expelling wind and cold, infiltrating bones and muscles, and regulating qi and blood, so as to enhance cardiovascular and cerebrovascular functions, improve sleep, eliminate fatigue, eliminate sub-health and enhance human resistance. Medicated bath health care therapy is divided into ordinary hot water bath therapy and medicated bath therapy. Ordinary hot water bath therapy refers to stimulating all acupoints of the whole body, promoting blood circulation, dredging meridians and improving metabolism through the warm and mechanical effects of water, so as to achieve the effects of disease prevention and self-care.