Coughing with lung deficiency can be treated with lung qi tonic medicines such as Lung Tonifying Pills, and yin-supporting and lung-moisturizing (nourishing the lungs by replenishing the lung fluid) medicines such as Nourishing Yin Clearing Lung Pills. 1. Lung qi tonic drugs: treating lung qi deficiency caused by coughing and wheezing due to prolonged illness and insufficient qi biochemistry, often with symptoms such as physical fatigue, low and timid voice, spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement), coughing and wheezing with no energy, shortness of breath, sputum with a lot of clear and thin phlegm, and fear of the wind. Lung tonic pill and Yu Ping Feng San are more commonly used. People with external cough should not take lung tonic pills. 2. Nourishing Yin and moistening the lungs: used for lung yin deficiency caused by prolonged coughing and injury to yin, consumptive insects attacking the lungs, or yin and fluid damage in the late stage of febrile illnesses, manifested as dry cough with little sputum or blood in the sputum, emaciation, night sweating (sweating abnormally after going to sleep, and sweating stops after waking up), dry mouth and throat, and other symptoms. Nourishing Yin and Clearing Lung Pills and Lily Solid Gold Pills are more commonly used. Diabetics are prohibited from taking them, and those with phlegm-dampness congestion are prohibited from taking Yangyin Qinglong Pills. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the symptoms, and individuals should not use them blindly to avoid adverse consequences.