There are many diseases that cause foreign body sensation in the throat, as follows: 1. Chronic pharyngitis, chronic tonsillitis, tonsil stones, etc. 2. Some patients are caused by foreign bodies in the throat. 3. Some patients are caused by new organisms in the throat, such as papilloma, epiglottis cyst, pear-shaped fossa cyst, etc. 4. After the onset of the disease, it is recommended to go to the ENT department for routine blood tests and laryngoscopy, which can help determine the diagnosis of the disease and provide targeted treatment.