Yin deficiency is mainly regulated by traditional Chinese medicine, Yin deficiency of different internal organs, the selection of different formulas, can be applied to tonify the liver soup, Tianwang Xinxindan, Sha Shen Maidong soup, Zuo Gui Pill and other traditional Chinese medicine to regulate. 1. Liver yin deficiency: mainly manifested as pain in both hypochondriacs, bitter taste in the mouth, dryness and astringency of the eyes, dizziness, red tongue with little moss, and fine pulse (the pulse becomes narrower and finer and the rate accelerates), etc., which can be regulated by Liver Tonifying Soup. The adverse effects of Liver tonic soup are not clear, and it is contraindicated for those with Yin deficiency and dry heat, Damp-heat and Spleen obstruction. 2. Heart Yin deficiency: mainly manifested as palpitation (rapid heartbeat, often accompanied by panic), insomnia, night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), five heart-quenching heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), red tongue with little moss, and fine pulse. It can be regulated by Tianwang Tianxin Tonic Heart Dan. Adverse effects and contraindications of Tianwang Tianxin Tonic Dan are not clear. 3.. Lung Yin deficiency: mainly manifested as dry cough, little sputum, dry throat and nose, red tongue with little moss, and fine pulse, etc. It can be regulated by Sha Shen Maidong Tang. Adverse effects of Sha Shen Mai Dong Tang is not clear, external cough and spleen and stomach cold (spleen and stomach weakness and cold) should not be used. 4. Kidney Yin deficiency: mainly manifested as soreness and weakness of waist and knees (the feeling of soreness and weakness of waist and knees), heartburn and heat, hot flashes (a burst of heat), night sweating, zygomatic redness (the color of cheeks and zygomatic bones is red), red tongue with little moss, and fine pulse, etc., which can be adjusted with Zuo Gui Wan. Adverse effects of Zuo Gui Wan are not known, and it is contraindicated in pregnant women and children. If Yin deficiency occurs, consult the clinician and adjust the symptoms under the guidance of the clinician, do not use the medicine by yourself.