Sore throat with foreign body sensation is common in pharyngitis, tonsillitis, epiglottitis and other diseases. 1. pharyngitis: mostly manifested as pharyngeal pain, itching, burning throat; and due to the pharyngeal mucosa of the secretion function of the pharynx is reduced, the pharynx is in a state of dryness, there is no lubrication of the mucus layer, the pharynx is relatively dry, the muscle peristalsis without the layer of lubricant friction becomes greater, you will feel as if there is something stuck in the sensation, which is known as a foreign body sensation. 2. Tonsillitis: the pain in the throat is obvious, accompanied by increased pain in swallowing, foreign body sensation in the throat and fever and other systemic symptoms as the main manifestations; and foreign body sensation in the throat is generally lymphoid follicular hyperplasia or excessive hypertrophy of the tonsils. 3, epiglottitis: this disease is characterized by rapid and obvious sore throat, accompanied by swallowing foreign body sensation, epiglottis is often obvious congestion, edema, mostly caused by infections, allergies and other factors, the progress can be very rapid, and in some cases there is a risk of asphyxiation. This symptom alone is not enough to diagnose the disease, other factors such as gastroesophageal reflux, mental and psychological factors can also be caused. Patients are advised to go to the hospital as soon as possible for examination, and the doctor will give targeted treatment after clarifying the cause of the disease.