Although retrograde jejunogastric intussusception is rare as a post-gastrectomy complication, it is important that it is diagnosed as early as possible because of the high mortality in the acute type if surgery is not performed immediately. The clinical manifestations give some clue to the diagnosis , but a definite diagnostic method is Bgarium meal examination . Three cases of retrograde jejunogastric intrussusception are reported with a brief review of the literature. Among the three cases, two were the acute delayed type, and one was the acute postoperative type. Also, two of the three were the efferent loop type.