1994年6月至1995年3月，我科用50％尿素液下鼻甲粘膜下注射治疗慢性鼻炎50例，效果满意，报道如下。1临床资料1．1一般资料50例中，男28例，女22例。年龄15～41岁，平均26.5岁。肥厚性33例，单纯性17例。病程：4个月～7年，平均2．52年。停药后随访7个月～1年31例，单纯性12例 June 1994 to March 1995, our department with 50% urea subnasal submucosal injection of chronic rhinitis in 50 cases, the results satisfactory, are reported below. 1 Clinical data 1.1 General Information 50 cases, 28 males and 22 females. Aged 15 to 41 years old, with an average of 26.5 years old. 33 cases of hypertrophy, simple in 17 cases. Course of disease: 4 months to 7 years, an average of 2. 52 years. After stopping the drug for a period of 7 months to 31 years, 31 cases were simple and 12 cases were simple