The symptom of upper airway cough syndrome is actually the symptom of postnasal drip, which is a chronic rhinitis and sinusitis in patients. Since there is a perennial secretion, in the nasal cavity, and then the secretion drips down the pharynx to the throat, there will be a foreign body sensation in the throat or frequent throat clearing movements, and there will also be coughing and coughing symptoms, it is a chronic cough, coughing and sputum, often not good for months. Therefore, this kind of patient should not be treated only to stop coughing, but also to treat rhinitis and sinusitis in order to treat the cough completely, otherwise it will also cause coughing symptoms due to the stimulation of sebaceous secretions.