There are three more common causes of a blockage sensation in swallowing: the first, occupancy. The second is mucosal damage. The third one is functional disease. 1.Occupancy generally refers to the esophagus, when there is an occlusion in the esophagus, there will be a feeling of obstruction in swallowing, especially when eating. 2.Mucosal damage is often caused by acid reflux, causing damage to the mucosa of the esophagus or the pharynx, and this kind of foreign body feeling blockage. 3.There is a situation where there are no abnormal indicators in the test, but only this kind of symptom, which is more common in patients who are anxious, angry, sleepy and stressed. It is common in patients who love to be anxious, angry, sleep poorly, and stressed, and is called plum kernel gas in Chinese medicine. To confirm the diagnosis, the correspondence of clinical related examination is needed.