The article discussed professor XIONG Ji-bo's academic thoughts and unique experience about cough from the origin, main symptom, treatment methods, important personal experience. The main points were pointed out: distinguishing exogenous injury; identifing Accompanied symptoms. Personal unique experience has 3 points: ①Cough inquiry has 3 main points: the onset time, duration; the pharyngeal sensation; sputum or not. ②Treatment of exogenous cough without cold. ③Chronic cough for 3 conditions: cough due to yin deficiency, qi deficiency or fu...