The common causes of throat phlegm include chronic pharyngitis, chronic bronchitis, chronic tonsillitis, etc., which should be treated according to the causes, such as cotrimoxazole gargle, aminoglutethimide hydrochloride, penicillin and other medications. 1. Chronic pharyngitis: chronic pharyngitis caused by phlegm in the throat all the time mainly take medication, commonly used drugs, including furacilin solution, cotrimoxazole gargle, iodine throat tablets, etc.; and quit smoking and drinking, keep a light diet. 2. Chronic bronchitis: chronic bronchitis caused by the voice has been phlegm can be appropriate use of levofloxacin, amoxicillin and other antibacterial drugs; and the use of some phlegm drugs, such as bromohexine, aminoglutethimide hydrochloride. 3. Chronic tonsillitis: chronic tonsillitis caused by the throat has been phlegm can be used compound borax solution, compound chlorhexidine gargle solution for treatment, and the appropriate application of penicillin drugs anti-infection. The cause of the throat has been phlegm, more reasons, not just the above, should actively seek medical diagnosis, according to the cause of the doctor under the guidance of standardized medication and treatment.