Chronic pharyngitis is divided into four categories: chronic simple pharyngitis, chronic hypertrophic pharyngitis, atrophic and dry pharyngitis, and chronic allergic pharyngitis. In addition to removing the cause of the disease, the treatment of different types of pharyngitis varies slightly. The medicines that can be used are: Dumifen tablets, multivitamins, clear throat and pharyngeal granules and so on. 1. Remove the cause of the disease: quit smoking and drinking, treat acute pharyngitis and acute and chronic inflammation of the nose. Improve the working and living environment, treat systemic diseases, and improve the resistance. 2. Local treatment (1) Chronic simple pharyngitis: use boric acid solution, furacilin gargle, take Dumiphene tablets and iodine throat tablets. The use of compound iodine glycerin, 5% silver nitrate solution coated pharynx can reduce swelling. (2) Chronic hypertrophic pharyngitis: in addition to the above methods, lymphoid follicular hyperplasia of the pharyngeal wall needs to be treated, which can be cauterized with 20% silver nitrate or chromic acid, and laser cauterization can also be used. (3) Atrophic and dry pharyngitis: in addition to using the treatment of simple pharyngitis, cauterization is not feasible. Small amounts of iodine can be taken internally to promote secretion. Take multivitamins to promote mucosal growth. 3. Chinese medicine: available clear throat and pharyngitis particles, pharyngitis tablets and other proprietary Chinese medicines, tablets are also often used in clinical applications, such as watermelon cream lubricating tablets. It is recommended that patients go to the hospital after consultation, under the guidance of the doctor for medication, do not use drugs without authorization, so as not to cause adverse consequences.