Swelling of the throat with a foreign body sensation may be related to chronic laryngitis, tonsillar hypertrophy, pharyngeal tumors and other diseases, the specific circumstances vary from person to person. 1. Chronic pharyngitis: chronic congestion and swelling of the local mucous membrane of the throat, resulting in a foreign body sensation, dryness, itching, burning sensation, hoarseness and other symptoms. 2. Tonsillar hypertrophy: physiological hypertrophy of tonsils, or tonsillitis resulting in enlarged tonsils, which can lead to swelling of the throat with foreign body sensation. 3. Pharyngeal tumor: the symptom of foreign body sensation is light when the volume is small, with the gradual increase of tumor volume and swelling of throat, the symptom of foreign body sensation in the throat of the patient will be aggravated, and a sense of obstruction may appear when eating. Commonly, there are laryngeal cancer and hypopharyngeal cancer. If the swelling of throat is found to have foreign body sensation, the patient should consult a doctor in time for examination and standardized treatment after the diagnosis is clear.