Chronic inflammation of the mucosa of the upper esophagus and papillary hyperplasia of the squamous epithelium may cause throat obstruction. When the mucosa of the upper esophagus has a chronic inflammatory reaction, the squamous epithelial papillary hyperplasia increases in size, easily causing mucosal congestion and edema, resulting in esophageal obstruction and the inability to eat normally. Often manifested as difficulty in eating, difficulty in swallowing and other symptoms, thus leading to the phenomenon of throat blockage. In case of infectious inflammation of the mucosa of the upper esophagus, some patients will have symptoms such as redness and pain in the esophagus, which are obviously aggravated after eating and accompanied by foreign body sensation. When the hyperplasia gradually increases in size, the sense of obstruction will also worsen, which will eventually affect normal swallowing and the phenomenon of throat blockage. It is recommended to consult a doctor in time to clarify the cause of the disease under the guidance of a professional physician and intervene in time to avoid the development of the disease.