How is lung qi deficiency caused?

Lung qi deficiency is caused by long-term smoking and drinking, and the lungs are stimulated by alcohol. Lung qi deficiency is more common in the late stage of the disease, mostly caused by the spread of chronic diseases. There may also be fatigue, loss of appetite and difficulty breathing. If not treated in time, it may cause stomach damage, causing nausea and vomiting. First, under the guidance of a doctor, oral lung protection drugs can be treated. After medication, you can drink a cup of warm boiled water appropriately, which is conducive to the efficacy.