复发性口腔溃疡是常见病、多发病。笔者试用云南白药与庆大霉素外敷治疗取得较好效果,现报道如下: 1 临床资料 患复发性口腔溃疡的飞行员89例,均为男性,年龄19～57岁。初发8例,病史1年以上27例,3年以上34例,5年以上20例。溃疡单发者66例,多发者23例。发病诱因 Recurrent oral ulcer is a common disease, frequently-occurring disease. I tried Yunnanbaiyao and gentamicin topical treatment achieved good results, are reported as follows: 1 Clinical data 89 cases of recurrent oral ulcer pilots were male, aged 19 to 57 years. The first eight cases, history of more than one year in 27 cases, more than 3 years in 34 cases, more than 5 years in 20 cases. 66 cases of single ulcer, multiple in 23 cases. Cause of illness