The main reasons for pharyngitis in winter are the following two: 1, due to the winter climate is relatively cold, if the cold air stimulation to the mucous membrane of the pharynx, will induce the occurrence of pharyngitis. 2, winter is relatively easy for the human body to catch a cold and flu, colds and flu is generally due to viral infections caused by the mucous membrane of the throat if invaded will also induce the occurrence of pharyngitis. For pharyngitis caused by different causes, the treatment is different. If the pharyngitis is induced by cold air, try to wear a mask when you go out and pay attention to warmth. If the pharyngitis is triggered by cold and flu, you should use antiviral medication and drink more water, you can drink some ginger water.