The cough means the sound generated from the reverse flow of gas from lung with the phlegm. It is one of the symptoms of lung diseases. A lot of doctors are all afraid of treating the cough. A folk adage says: ”The construction technician is afraid of dealing with leaking, the doctor is afraid of curing cough.” It means that though the cough is a very common disease, it is not easy to be grasped and treated. However, I think that the preceding sentence should regard the Western medicine. As for the viewpoint of Chinese medicine, so long as the differentiation of syndrome is correct, the cough is not a tangled disease. I used to cure many patients. They suffered from long-term cough, and the treatment was invalid by Western medicine, so they came to get the treatment of Chinese medicine. Then, their symptoms were improved fast, even fully recovered. In this study, I cited one case and described my clinical thinking. I hope the other colleagues can consult it and make comments.