本文报告了 6例Dieulafoy溃疡。在胃镜或手术中均在贲门部或胃体上部见到孤立的、小而浅的溃疡。术中见溃疡底部有粗大血管出血。因手术治疗及时 ,无 1例死亡。Dieulafoy溃疡系胃粘膜血管先天或后天畸形所致。在胃镜检查时 ,切忌盲目活检。切忌盲目剖腹探查或不适当的胃大部切除。 This article reports six cases of Dieulafoy ulcers. In gastroscopy or surgery are in the cardia or upper part of the corpus see isolated, small and shallow ulcers. See intraoperative ulcer at the bottom of a thick vascular hemorrhage. Due to timely surgical treatment, no one died. Dieulafoy ulcer gastric mucosal vascular congenital or acquired deformity. In gastroscopy, avoid blind biopsy. Avoid blind laparotomy or inappropriate subtotal gastrectomy.