There are the following common clinical reasons for foreign body sensation in the throat: 1. Some patients have chronic pharyngitis, with a large number of lymphatic follicles proliferating in the posterior wall of the pharynx and the root of the tongue, which can cause a foreign body sensation in the throat when the patient swallows saliva, and the foreign body sensation is not obvious when the patient eats. 2. Patients have pharyngeal ministerial things, benign ones commonly include papilloma of the tonsils, papilloma of the tongue root, epiglottis cysts, etc., malignant ones such as The lymphoma of tonsil, tonsil cancer, hypopharyngeal cancer, laryngeal cancer and other related diseases can lead to a very fixed foreign body sensation in the throat when the patient swallows, and the foreign body sensation is ineffective with medication. 3. Some patients have hypertelorism, and clinically, when the patient swallows, there can be a very fixed foreign body sensation, and when the patient turns his head, there can be pain and other discomfort in the throat. The 3D CT of the stalk can reveal the manifestation of stalk hypertelorism. 4. Some patients are considered to have stomach diseases and esophageal diseases through gastroscopy, which can also lead to foreign body sensation when swallowing, for example, some patients have reflux gastritis, reflux esophagitis, occupying tumors of the esophagus and other diseases can also appear this manifestation. 5. The patient may feel uncomfortable even though no organic lesion is found in the gastroscopy and other related parts of the body, which may be related to the patient’s psychological effects caused by emotional work pressure and mental stress.