咽鼓管功能障碍可分为咽鼓管阻塞和咽鼓管异常开放两种类型，其中咽鼓管阻塞是引起分泌性中耳炎、化脓性中耳炎等中耳疾病的原因之一，如治疗不当可引起中耳病变迁延不愈、中耳传音结构受损，导致不可逆性听力损害。明确引起咽鼓管功能障碍的原因有助于进行有效的针对性治疗， Eustachian tube dysfunction can be divided into two types of eustachian tube obstruction and eustachian tube abnormalities open, in which eustachian tube obstruction is caused by secretory otitis media, suppurative otitis media and other ear diseases, one of the reasons, such as improper treatment can cause Delayed lesion in the middle ear lesions, middle ear acoustic structure damage, leading to irreversible hearing loss. Clearly cause Eustachian tube dysfunction causes contribute to effective targeted treatment,