本文小结应用复方替硝唑口腔药膜治疗口腔溃疡１８５例的临床效果，１８５例中复发性口疮１３５例，有效率９７．０％；创伤性口腔溃疡６０例，有效率９６．７％。本组病例用药后２４～９６小时内溃疡逐渐愈合，较以往的病程明显缩短，复发时间延长。１８５例患者中未发现过敏等不良反应 This article summarizes the clinical application of compound tinidazole oral drug film in the treatment of oral ulcer in 185 cases, 185 cases of recurrent aphthous ulcers in 135 cases, the effective rate was 97.0%; Traumatic oral ulcer in 60 cases, the effective rate of 96.7%. In this group of patients within 24 to 96 hours after treatment, ulcers gradually healed, significantly shorter than the course of the past, the recurrence time extended. No adverse reactions such as allergies were found in 185 patients