Symptoms of lung yin deficiency include dry cough with little phlegm, sticky phlegm that is not easy to expel, blood in the phlegm, dry throat and mouth, hoarse voice, afternoon fever, night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), and so on. Lung yin deficiency is a type of Chinese medicine symptoms, mostly due to the loss of long illnesses, heat diseases exhausting yin and fluids, or infections with consumptive insects damage to the lung yin, etc., the main clinical manifestations of dry cough with little sputum, sputum viscous sputum is not easy to cluck out, sputum with blood, dry pharynx and mouth dryness, hoarseness, fever in the afternoon, night sweating and other symptoms. Patients with lung yin deficiency are treated with nourishing yin and moistening the lungs (replenishing the body’s yin fluids to moisturize the lungs), and can often be treated with medications such as Sheng Wei Drink, Lily Solid Gold Pill, and Nourishing Yin and Clearing the Lungs Oral Liquid. Patients with symptoms of lung yin deficiency should seek medical advice from a professional Chinese medicine practitioner to guide their treatment, and should not blindly use medication on their own.