口腔溃疡是临床常见的口腔疾患，它由多种病因所致，如冷热酸甜食物的刺激、机械性损伤、细菌及病毒的感染等，不仅治愈慢而且易复发。目前的治疗方法为减轻症状，促进愈合。笔者自制的复方利福平散，局部涂抹治疗口腔溃疡，取得较好结果，现报道如下。1材料与方法1．1处方利福 Oral ulcer is a common clinical oral disease, which is caused by a variety of causes, such as hot and cold sour food stimulation, mechanical damage, bacterial and viral infections, not only cure slow and easy to relapse. The current treatment is to relieve symptoms and promote healing. The author homemade compound rifampicin, local smear treatment of oral ulcers, and achieved good results, are reported below. 1 Materials and Methods 1.1 Prescriptions Lifu