Foreign body sensation in the throat when eating without food, but when not eating, is caused by lymphoid follicular hyperplasia in the throat, and the correlation between the nerve irritation in the throat, commonly found in chronic pharyngitis. During the period of not eating because of the lymphoid follicular hyperplasia in the throat, it will cause irritation to the surrounding tissues, causing a certain foreign body sensation. In the process of eating, because the food for the whole pharynx stimulation increased significantly, before the foreign body sensation will be masked, the overall view of foreign body sensation in the throat only in the usual feeling, is the performance of chronic pharyngeal inflammation, most of which is not accompanied by serious organic lesions. If you have a foreign body sensation in your throat and the symptoms continue to worsen, you need to consult a doctor for timely observation and standardized treatment under the guidance of a clinician after diagnosis of the condition to avoid delays in the condition.