复发性口腔溃疡为临床常见的疑难口腔粘膜病症 ,近年来我们采用中药“甘草泻心汤”加减治疗本病收到显著效果。报道如下 :1　临床资料1 .1　一般情况　本组口腔溃疡患者 39例。其中男性 1 7例 ,女性 2 2例 ;30～ 5 5岁 1 8例 ,1 8～ 2 9岁 1 5例 ,1 7岁以下 6例 ;反复发作 3年 Recurrent oral ulcer is a common clinical difficult oral mucosal disease, in recent years we use the Chinese medicine “Gancaixiexin Tang” addition and subtraction treatment of this disease has received significant results. Reported as follows: 1 Clinical data 1.1 General conditions of this group of patients with oral ulcers in 39 cases. Including 17 males and 22 females, 18 cases between 30 and 55 years old, 15 cases between 18 and 29 years old and 6 cases below 17 years old. The recurrent episodes were 3 years