Liu Wei Di Huang Wan is a commonly used herbal and proprietary medicine for the treatment of liver and kidney yin deficiency syndrome, in the presence of excessive consumption of yin fluid, chronic diseases that consume the body with manifestations of yin deficiency, as well as insufficient intake leading to liver and kidney yin deficiency. Yin deficiency can be characterized by dizziness, deafness, tinnitus, night sweating, spermatorrhea, hot flashes in the bones, heat in the hands, feet and heart, dryness of the throat, dryness of the mouth, dribbling of the urine, and a red tongue with little moss and insufficient yin fluid. The Six-flavored Di Huang Pill has the effects of three tonic and three diarrhea, and can be used to treat and regulate the deficiency of yin fluid and liver blood.