Chronic pharyngitis with mucous phlegm can be treated by taking drugs that clear the throat and expectorant. 1. Pharyngitis drugs: such as pharyngitis tablets, with Yin moist lungs, clearing the throat, cough and itching effect, can be used to treat chronic pharyngitis caused by dry, itchy throat and irritating cough and other symptoms. Pregnant women and allergic persons should be cautious, during the period of taking the medicine, prohibit eating fish and spicy food. 2. Expectorant drugs: such as Ambroxol hydrochloride oral solution, is commonly used to dissolve mucous phlegm, the main role is to dilute, dissolve phlegm, so that phlegm can be easily discharged. Nausea, vomiting, allergy and other reactions may occur after taking it. Therefore, allergic body and pregnant and lactating women should use with caution. Avoid concurrent use with centralized cough suppressants to avoid blockage of the airway by diluted phlegm. Chronic pharyngitis with mucous phlegm, it is recommended to actively go to the hospital, under the advice of the doctor to standardize the use of drugs and treatment, do not take drugs without authorization.