Chronic pharyngitis commonly used drugs are compound borax gargle, compound chlorhexidine gargle, cediriodine tablets and so on. 1. Compound Borax Gargle: This medicine is used for stomatitis, pharyngitis and tonsillitis, etc. to disinfect and antiseptic oral cavity, pay attention to newborns, infants are prohibited. It should be spit out after gargling, not swallowed. 2. Compound Chlorhexidine Gargle: This product can be used as an adjunctive treatment for chronic pharyngitis, oral mucositis and other conditions. The use of this drug may cause superficial desquamation of the oral mucosa, which should be spit out after gargling, not swallowed. 3. Cediriodine tablets: used for chronic pharyngitis, oral ulcers, chronic gingivitis, periodontitis. Taking the drug occasionally see rash, skin itching and other allergic reactions. It is forbidden for those who are allergic to this product or to other iodine preparations, and should be used with caution in pregnant women, lactating women, and patients with thyroid diseases. Patients should follow the doctor’s instructions when taking medication, not unauthorized medication, in addition to daily attention to develop a good lifestyle, adhere to outdoor exercise, avoid dust and harmful gases, quit smoking and alcohol.