Foreign body sensation in the throat is mostly seen in chronic pharyngitis, reflux pharyngitis, and pharyngeal tumor. 1. Chronic pharyngitis: the etiology is complex and may be caused by a variety of factors, such as environmental factors, occupational factors, bacterial infections, etc., which can lead to foreign body sensation in the throat, dry throat, sore throat and other symptoms. 2. Reflux pharyngitis: mainly due to the reflux of gastric acid on the throat area caused by irritation, resulting in foreign body sensation in the throat, and there may be cough, pain and other symptoms. 3. Tumor in the throat: including benign and malignant tumors, with the increase of tumor, it will cause irritation to the throat, and it will cause foreign body sensation due to compression. Foreign body sensation in the throat may also be caused by other diseases, it is recommended to go to the hospital in time, after clarifying the cause, targeted treatment.