Foreign body sensation in the throat is obvious but does not affect swallowing, may be chronic pharyngitis, reflux pharyngo-esophagitis, tonsil hypertrophy and other reasons. 1. Chronic pharyngitis: chronic inflammation of the mucous membrane and submucosal tissues in the throat area, so there is a foreign body sensation in the throat, which generally does not affect swallowing, partly accompanied by itchy throat, sore throat and other symptoms. 2. Reflux pharyngo-esophagitis: gastric contents reflux into the pharyngeal esophagus, causing irritation to the pharyngeal esophageal mucosa, so the feeling of foreign body sensation in the throat is obvious, does not affect swallowing, and can be accompanied by regurgitation of acid, belching and other symptoms. 3. Tonsillar hypertrophy: tonsils due to infection, repeated inflammatory stimulation caused by pathologic hyperplasia and hypertrophy, so the feeling of foreign body sensation in the throat is obvious, may not affect swallowing, accompanied by nasal congestion, runny nose, cough and other symptoms. The throat foreign body feeling obvious, does not affect swallowing there may be other reasons, it is recommended to consult a doctor in a timely manner, to identify the cause of the disease and comply with the doctor’s instructions for treatment.