慢性中耳炎 (ｃｈｒｏｎｉｃｏｔｉｔｉｓｍｅｄｉａ ,ＣＯＭ)是危害人类听力最常见的耳科疾病之一 ,它的特征有 :中耳腔分泌富含粘液的液体 ;由于听骨链损害或鼓膜穿孔 ,造成听力损失 ;中耳粘膜的炎性改变。尽管国内外学者在手术和药物治疗慢性中耳炎方面取得了许多进展 ,但它 Chronic otitis media (COM) is one of the most common otological diseases that endanger human hearing. It has the following features: middle ear cavity secretes mucus-rich fluid; hearing loss due to ossicular chain damage or tympanic membrane perforation; middle ear Mucosal inflammatory changes. Although domestic and foreign scholars have made a lot of progress in surgery and drug treatment of chronic otitis media,