Patients who cough when they are tired are often seen to have a deficient cough caused by lung qi deficiency, lung and spleen deficiency, or lung and kidney deficiency, as follows: 1. Lung qi deficiency: the common symptoms are recurrent colds, coughing, coughing up sputum without strength, coughing up white sputum, and coughing will worsen after exertion, accompanied by fatigue, weakness, mental lethargy and other symptoms. The symptoms of deficiency of lung and spleen can be treated with the medicine of “Six Jun Zi Tang”, which can benefit the lung and spleen and stop cough and phlegm. 3. It can be treated with ginseng and lung tonic drink plus reduction, which is effective in tonifying the kidney and benefiting the lung, calming asthma and relieving cough.