Lung yin deficiency (deficiency of lung yin and fluid) should be regulated by nourishing yin and moistening dryness (nourishing yin essence and clearing away heat), and the specific medication should be prescribed by a professional physician, commonly used Chinese medicines include Yangyin Qinglong Pill and Baihe Gujin Pill. Lung yin deficiency is mostly caused by prolonged illness, too much sweating, or evil heat depletion of lung yin, clinical symptoms include dry cough with little phlegm, hot flashes and night sweating (sweating abnormally after going to sleep, and sweating stops after waking up), flushing on the cheekbones, hot hands and feet, and dry and muffled pharynx. Nourishing Yin Qing Lung Pill has the efficacy of nourishing yin and moistening lung, clearing heat and facilitating pharynx, and is used for the treatment of yin deficiency and lung dryness (deficiency of yin in the human body, resulting in lung dryness not being nourished) caused by dry and sore throat, dry cough with little phlegm and other conditions. The adverse reactions and contraindications of this product are not clear. Lily Solid Gold Pill has the effect of nourishing yin and moisturizing the lung, resolving phlegm and relieving cough, and is used for the treatment of dry cough with little phlegm and dry throat due to deficiency of yin in the lung and kidney. The adverse reactions and contraindications of this product are not clear. In addition, in daily life, avoid smoking, alcohol and spicy, cold, greasy food, pay attention to rest, not too tired. When discomfort occurs, you should consult a doctor in time and choose medication under the guidance of physician’s diagnosis, not self-medication, so as not to delay the condition.