The cough caused by chronic pharyngitis is usually irritating and mostly dry. Chronic pharyngitis is a common disease in otorhinolaryngology and can be divided into chronic simple pharyngitis, chronic dry pharyngitis, chronic atrophic pharyngitis and chronic hypertrophic pharyngitis, which are different types. Chronic simple pharyngitis can lead to dry cough because of dry and itchy pharynx; chronic dry pharyngitis and chronic atrophic pharyngitis with dry pharynx as the main symptom, coughing for irritating dry cough; chronic hypertrophic pharyngitis can lead to pharyngeal foreign body sensation, coughing up sputum during coughing will be unpleasant situation. Individuals who experience unexplained dry cough over a long period of time should actively seek medical attention for definitive diagnosis and treatment.