Kidney yin deficiency can be treated with herbal remedies that nourish yin and tonify the kidneys, such as Liu Wei Di Huang Wan and Zuo Gui Wan. Liu Wei Di Huang Wan has the effect of nourishing yin and tonifying the kidneys; Zuo Gui Wan has the effect of nourishing the kidneys and tonifying yin. 1. Six-flavored Dihuang Pill is mainly composed of cornelian cherry, ripened dihuang, poria, Chinese yam, mudanpi and other traditional Chinese medicines. It can be used for the treatment of bone vaporization and tidal fever (a burst of heat, feeling that the heat is penetrating from inside the bones to the outside), dizziness and tinnitus, lumbar and knee soreness and tenderness (feeling of soreness and weakness of the lumbar and knee areas), spermatorrhea, and night sweating (sweating abnormally after falling asleep, but stopping when waking up) and other illnesses. It is not advisable to take cold and flu medicines while taking the medicine. 2. Zuo Gui Wan is mainly composed of Chinese medicines such as Chinese yam, Semen cuscutae, turtle board gum, and ripened dihuang, etc. It can be clinically used for the treatment of lumbar soreness and weakness of knees, fatigue of the spirit (lack of mental alertness), dryness of the mouth, night sweating, and insufficiency of true yin and other symptoms. It is not suitable for patients with colds; contraindicated for pregnant women and forbidden for children. The above medicines should be used under the guidance of a Chinese medicine practitioner, and should not be used blindly on one’s own to avoid damage.