Abstract： An intestinal duplication cyst is a very rare congenital anomaly,with symptoms including abdominal pain,abdominal distention,intestinal bleeding,and hematochezia.Hematochezia can be caused by ectopic gastric mucosa,although there are other causes of infantile hematochezia;hence,an intestinal duplication cyst can be misdiagnosed as bowel intussusception or Meckel's diverticulum.Here,a case of an intestinal duplication cyst that was misdiagnosed as Meckel's diverticulum is reported.