Liver yin deficiency can be regulated with Chinese medicines such as Gui Shao Di Huang Wan, Er Zhi Wan and Zuo Gui Wan. Liver yin deficiency refers to the deficiency of liver yin and fluid, mostly caused by qi depression and fire, liver disease and warm-heat disease, liver yin depletion, or kidney yin insufficiency, etc. Clinically, it is often seen in dizziness and tinnitus, dystocia (pain in the area of dorsal and rib cage), astigmatism, five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), dry mouth and pharynx, red tongue with little fluid, and fine or number of stringed pulse, etc. The treatment should focus on nourishing yin and nourishing the liver. Chinese medicine should focus on nourishing Yin and nourishing the liver, and Chinese medicines such as Gui Shao Di Huang Wan, Er Zhi Wan and Zuo Gui Wan can be used. 1. Gui Shao Di Huang Wan (归芍地黄丸) has the function of nourishing the liver and kidney, replenishing yin and blood, and clearing deficiency heat, and can be used for dizziness and vertigo caused by deficiency of liver and kidney, deficiency of yin and blood, tinnitus and dry throat, afternoon hot flashes, lumbar and leg pain, heel pain, etc. Its adverse reactions and contraindications are not known. Its adverse reactions and contraindications are not clear. 2. Erzhi Pill: it can tonify the liver and kidney, nourish yin and stop bleeding, used for dizziness and tinnitus, dry throat and nose, lumbar and knee pain, heavy menstruation, etc. It can be used for the symptoms of yin deficiency of the liver and kidney. Its adverse reactions and contraindications are not clear. 3. Zuo Gui Wan: It can nourish kidney and tonify yin, and is used for deficiency of yin, lumbar soreness and weakness of knees, night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), fatigue (lack of mental energy), dryness of mouth, etc. Its adverse reactions and contraindications are not clear. Its adverse reactions are not clear. It is contraindicated for pregnant women and forbidden for children. If the patient’s liver yin is insufficient and the above symptoms occur, he/she should go to the hospital in time and use the medicine under the guidance of the physician.