先天性盲肠缺失国内外文献偶见报道。我们遇见４例，现结合临床表现分析Ｘ线检查对本病的诊断价值。材料和方法４例中男１例，女３例，年龄１９～６１岁，平均３２岁。以往均身体健康，无腹部手术史。３例大便无规律，便秘与稀便交替。１例以结肠癌、１例以肠梗阻转来我院诊治 Congenital absence of cecum literature at home and abroad occasionally reported. We met 4 cases, now combined with clinical manifestations of X-ray examination of the diagnostic value of the disease. Materials and methods 4 cases of male 1 case, 3 females, aged 19 to 61 years, mean 32 years. In the past all good health, no history of abdominal surgery. 3 cases of irregular stools, alternating constipation and loose stools. 1 case of colon cancer, 1 case of intestinal obstruction to our hospital for diagnosis and treatment