Zuo Gui Wan is effective in nourishing yin and tonifying the kidneys, and is useful in treating true yin deficiency, lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions), spermatorrhea and slippery ejaculation, and other conditions. Its use is by oral administration. Zuo Gui Wan is composed of Radix Rehmanniae Praeparata, Semen Cuscutae, Radix Achyranthis Bidentatae, Gelsemium Torticosum, Gelsemium Antleri, Rhizoma Dioscoreae, Cornu Cervi Pantotrichum and Fructus Lycii. It has the effect of nourishing yin and tonifying the kidney, and can be used for treating the symptoms of deficiency of genuine yin such as dizziness and dizziness, soreness and weakness of the lower back and knees, seminal emission and slippery ejaculation, spontaneous sweating (involuntary sweating during the daytime that is aggravated with the slightest movement), night sweating (sweating abnormally after falling asleep but stopping after awakening), and fatigue of the mind (lack of mental energy), dryness of the mouth, etc. The adverse effects of the drug are not clear, but pregnant women and children are prohibited. Also avoid eating spicy and greasy food while taking it. The method of consumption is oral. If you need to take Zuo Gui Wan, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.