There is no such thing as Zuo Gui Wan or Liu Wei Di Huang Wan. Zuo Gui Wan has the effect of nourishing the kidneys and tonifying the yin, filling in the marrow, while Liu Wei Di Huang Wan has the effect of nourishing the yin and tonifying the kidneys. Both drugs have their own effects and treatments, and should be used by a physician to identify and treat the symptoms. Zuo Gui Wan has the effect of nourishing the kidney and tonifying the yin, filling in the marrow (replenishing the essence of the body and promoting the development of bone marrow). It is mainly used for treating lumbar soreness and knee weakness caused by deficiency of genuine yin, night sweating, mental fatigue, dry mouth and throat. This product is contraindicated for pregnant women, prohibited for children, and should not be taken by patients with colds; avoid oily diet during the period of taking the medicine. Liuwei Di Huang Pill has the effect of nourishing yin and tonifying the kidney, used for the treatment of kidney yin deficiency of dizziness and tinnitus, lumbar and knee soreness and weakness, self-consciousness of the bones outward heat, low fever in the afternoon, night sweating, spermatorrhea and so on. Avoid cold, greasy and other foods during the period of taking the medicine; cold and fever patients should not take; diabetic patients should be taken under the guidance of a physician. The above two drugs should be used under the guidance of a physician, there are uncomfortable symptoms, it is recommended to actively seek medical attention, do not blindly use medication, so as not to medicines do not cause the aggravation of the condition and other adverse consequences.