Pharyngitis is part of the upper respiratory tract infection, pharyngitis is divided into acute pharyngitis and chronic pharyngitis, the details are as follows: 1. Acute pharyngitis: acute inflammation of the pharyngeal mucosa, submucosal tissue, mostly involving the lymphatic tissue of the pharynx, this disease can occur alone, but also often secondary to acute rhinitis or acute tonsillitis. The first is a dryness, burning and roughness of the pharynx, followed by significant sore throat, especially when swallowing, and the pain can radiate to the ear when the lateral pharyngeal cord is involved. 2, chronic pharyngitis: diffuse inflammation of the pharyngeal mucosa, submucosa and lymphatic tissue, often part of the chronic inflammation of the upper respiratory tract, mostly in adults, with a long course and stubborn symptoms, difficult to completely cure, mainly manifested as Foreign body sensation, itching, burning, dryness or slight pain in the pharynx, often with sticky secretions attached to the back wall of the pharynx, causing frequent irritating coughs with nausea when the patient gets up in the morning.