咽炎患者很普遍,治疗方法很多,患者人数不减,说明疗效不佳。究其原因,与对其病因了解不够,分类不合理等有关。急性咽炎既是独立病种,也可以是上呼吸道感染的一部分。慢性咽炎问题更多,常被误认为仅系咽后壁粘膜的局部炎症反应,而仅予局部治疗,故而疗效差。实际上慢性咽炎之所以顽固、难治,乃因其形成的病因复杂。19世纪已知其与烟、酒辛辣食物、大声讲话、长期的化学或机械刺激、特殊性感染、肺病、全身静脉瘀滞、糖尿病等有关。有人认为咽后壁淋巴滤泡增多 Pharyngitis patients are common, many treatments, the number of patients unabated, indicating poor efficacy. The reason, with its etiology is not enough, the classification is unreasonable and so on. Acute pharyngitis is an independent disease, but also can be part of the upper respiratory tract infection. Chronic pharyngitis more problems, often mistaken for only the posterior pharyngeal mucosa of the local inflammation, but only to local treatment, so the curative effect is poor. In fact the reason why chronic pharyngitis stubborn, refractory, because of the complex causes of its formation. In the 19th century it was known to be associated with smoking, spicy food, talking loudly, long-term chemical or mechanical stimulation, specific infections, lung disease, systemic venous stasis, diabetes and the like. Some people think that pharyngeal lymphoid follicles increased