便秘是儿科常见病，据我院门诊患者统计，便秘以主症或伴随症状出现者约占门诊患者的１／３左右。口疮在临床中也极为常见，伴随便秘而出现者颇多。二者常常同时存在。目前临床中尚无特效的药物，往往几种药物同时应用。几年来，我们用自拟清畅口爽汤方治疗便秘、口疮患者５８ Constipation is a common pediatric disease, according to our hospital outpatient statistics, the main symptoms of constipation or symptoms associated with about 1/3 of outpatients. Aphthous ulcers are also extremely common in the clinic, with a lot of constipation. Both often exist at the same time. At present, there are no effective drugs in clinical practice, and often several drugs are applied at the same time. In the past few years, we have used our self-made Qingchangkouhuang Decoction for the treatment of constipation and aphthous ulcers