严重鼻出血系指成人失血量超过 4 0 0ｍｌ,儿童为10 0ｍｌ以上 ,常可合并全身性疾病。现将我科自 1985～ 1996年收治 4 6例严重鼻出血情况报告分析如下 :1　资料和方法1.1　一般资料 :4 6例严重鼻出血病人中 ,男 30例 ,女16例 ;年龄最大 87岁 ,最小 3岁 ;高发年龄在 4 5～ 6 5 Severe epistaxis refers to adult blood loss of more than 400ml, more than 10ml children, often combined systemic disease. Now our department from 1985 to 1996 admitted 46 cases of severe epistaxis are as follows: 1 Materials and Methods 1.1 General Information: 46 cases of severe epistaxis patients, 30 males and 16 females; the oldest 87 years old , A minimum of 3 years old; high incidence of age 4 5 ~ 6 5