There are many reasons for throat tightness and foreign body sensation, such as foreign body in the throat, chronic laryngitis, gastroesophageal reflux disease and so on. 1. Foreign body in the throat: If you accidentally enter a foreign body in the throat after eating, such as fish splinter, broken bone, etc., it can cause tightness and foreign body sensation in the throat, and the feeling of tightness in the throat after stimulation of mucous membrane swelling can be relieved after removing the foreign body usually. 2. Chronic pharyngolaryngitis: chronic pharyngolaryngolaryngitis can cause lymphocyte hyperplasia in the mucous membrane of the pharynx, so there can be tightness in the throat with a foreign body sensation, and at the same time, there will be itchy, dry throat and other phenomena. 3. Gastroesophageal Reflux Disease (GERD): When gastric contents are refluxed through the esophagus, foreign body sensation, dysphagia, acid reflux, belching and other phenomena can occur, which can also result in tightness in the throat with a sense of foreign body. There are many reasons for the tightness of the throat with a foreign body sensation, after the emergence of symptoms, it is recommended to go to the hospital in a timely manner to improve the examination to clarify the diagnosis, take standardized treatment in accordance with the doctor’s instructions, and do not ignore the symptoms, take it lightly, so as not to lead to adverse consequences.