The difference between acute pharyngitis and chronic pharyngitis is mainly the following: 1. One is acute inflammation and the other is chronic inflammation. Acute inflammation is mainly bacterial infectious inflammation, or a mixed infection of bacteria and viruses. Chronic does not have these bacteria and viruses, it is a chronic congestion, edema inflammation. 2, acute congestion, edema, mainly bright red or congestion is very obvious. Chronic congestion, mainly dark red, congestion, edema is not obvious. 3, clinical manifestations, acute mainly pain, even fever, throat discomfort. Chronic is mainly the throat discomfort, feeling or even nothing special, just because the mucous membrane of the throat is slightly congested. 4, there is also a clear difference in treatment. Acute is mainly to control the infection, give anti-infective drugs or clear heat and detoxification of Chinese patent medicines or tablets. For chronic, you can not use drugs, such as instructing the patient to drink more water, or medication, only with heat-clearing and detoxification of Chinese patent medicines or tablets can be, do not need some special anti-infection treatment.