Dry pharyngeal cough may be caused by dry air, etc. It may also be a symptomatic manifestation of certain diseases, such as acute pharyngitis, chronic tonsillitis, reflux pharyngitis, etc., which should be consulted in time to find out the cause of the disease. 1. Dry air: dry pharyngeal cough may be caused by dry air, or poor air quality, dusty, etc. It can be relieved by drinking water and wearing a mask appropriately to alleviate the discomfort of the pharynx. 2. Pathologic factors: (1) Acute pharyngitis: mainly due to viruses, bacteria, physical and chemical factors and other stimuli, so that the pharyngeal mucosa congestion and swelling and acute inflammation, the patient may appear pharyngeal dryness, sore throat, dry cough and other symptoms, but also accompanied by fever, headache, loss of appetite and other discomforts. (2) Chronic tonsillitis: Chronic tonsillitis is a persistent infectious inflammatory disease of the tonsils. Patients may have mild symptoms such as dryness, itching, foreign body sensation and irritating cough in the pharynx, as well as symptoms such as redness and swelling of the tonsils and difficulty in swallowing. (3) reflux pharyngitis: refers to the abnormal reflux of gastric contents into the throat and the discomfort caused by the symptoms or local mucosal damage, patients may appear pharyngeal dryness, pain, hoarseness, chronic cough and other manifestations, a small number of patients may also be the first choice of heartburn, reflux and other typical symptoms. Patients with symptoms of dry pharynx and cough should go to the hospital in time to improve the relevant examination, clear diagnosis, and actively cooperate with the doctor’s treatment. At the same time, patients should pay attention to daily rest, drink more water, eat more fruits and vegetables rich in vitamins and other nutrients, in order to ease the discomfort and promote the recovery of the organism.