资料：顽固性鼻出血患儿６８例中，男性４２例，女性２６例；年龄８～１３岁；病程１～６年。每年鼻出血均在１０次以上，全部病例均排除全身性疾病。检查见鼻中隔一侧或双侧黎氏区血管浅在曲张，部分可见搏动性出血灶或局部粘膜充血、糜烂等。方法：１％丁卡因麻黄素行黎氏区 Data: 68 cases of intractable nosebleed in children, 42 males and 26 females; aged 8 to 13 years; duration of 1 to 6 years. Epistaxis is more than 10 times per year, all cases were ruled out systemic disease. Check see one or both sides of the nasal septum Li canal blood vessels in shallow varicose flaccid hemorrhagic lesions can be seen in part or local mucosal erosion, erosion and so on. Method: 1% tetracaine Ephedrine line Lai District