There are many reasons for dry nasopharynx, such as environmental factors, gastroesophageal reflux disease, nasopharyngitis and so on. 1. Environmental factors: dryness in the fall and winter seasons or prolonged exposure to high temperatures can lead to nasopharyngeal dryness, which is usually alleviated gradually after improving the environment. 2. Gastroesophageal reflux disease (GERD): gastric contents reflux through the esophagus into the nasopharynx, resulting in nasopharyngeal mucosal edema, glandular secretion is reduced, the phenomenon of nasopharyngeal dryness can occur, accompanied by abdominal bloating, gastric reflux, belching, hiccups and other phenomena. 3. Nasopharyngitis: Nasopharyngitis caused by bacterial or viral infection can show dryness of the nasopharynx, and after examination, it can be found that the mucous membrane of nasopharyngitis is congested and edematous, which is accompanied by pain and postnasal drip phenomenon. Nasopharyngeal dryness is caused by many reasons, after the emergence of symptoms, it is recommended to go to the hospital in a timely manner to improve the systematic examination, after diagnosis, follow the doctor’s instructions to give standardized treatment, do not ignore the symptoms, so as not to delay the treatment of the condition.