1975年我们对先天性外耳道闭锁采用前经乳突鼓窦进入鼓室的36耳,及经颧弓根部及颞颌关节交叉处进入鼓室的6耳中20耳经3年以上的长期观察,发现后一种进路的6耳全部干耳,听力改善稳固。我们认为对一些单耳病人亦可及早手术。现将我院42耳的临床资料报告于后,对先天性外中耳畸形患者手术适应症及有关问题加以讨论。 In 1975 we congenital external auditory canal at the ear through the mastoid sinus before entering the tympanic 36 ears, and by the zygomatic arch and the temporomandibular joint cross into the tympanic 6 ears in 20 ears by more than 3 years of long-term observation and found that after An approach of all 6 ears dry ear, improve hearing and stability. We think some patients with mononeuropathy can also be operated on as soon as possible. Now 42 cases of our hospital clinical data reported later, surgical indications of congenital external ear malformations and related issues to be discussed.