Some blockage of the esophagus when swallowing something is caused by chronic pharyngitis, reflux pharyngitis, esophageal cancer and other diseases: 1. Chronic pharyngitis, mainly chronic inflammation of the pharyngeal mucosa, diffuse inflammation is usually part of chronic catarrhal inflammation of the upper respiratory tract, and local inflammation is usually accompanied by pharyngeal lymphoid tissue hyperplasia. The main symptoms are throat discomfort, dryness, itching, secretions and burning pain, foreign body sensation. 2, reflux laryngitis, is a more common throat disease, the cause of the cardia sphincter dysfunction, improper habits and eating habits and other factors, acidic gastric contents reflux to the throat, corrosion and stimulation The symptoms of esophageal cancer are caused by normal esophageal mucosal epithelial cells, which are gradually transformed into new organisms after long-term exposure to various damage factors. Early symptoms are mild and atypical, but when the mass grows to a certain extent and causes esophageal stricture, it will manifest as a blocking sensation when swallowing.