The esophageal perforation with foreign body is very rare. It is usually caused by sharp metallic foreign body or bone piece and rarely caused by long standing of foreign body. The author observed 5 cases of the esophageal perforation with foreign body among 48 cases of esophageal foreign body during the period from Jan. 1976 to Dec. 1977. There were two cases of esophageal foreign body with curved wire, a case with bone piece, a case with safety pin and a case with fish hook.