Five cases of congenital diaphragmatic hernia. Case 1; A female infant, birth weight 2.25 kg, Apgar score 10, normal delivery at 11:33 P.M. on Feb. 8, 1972. Lt. side congenital diaphragmatic hernia. Case 2; A female infant,birth weight 1.48 kg, Apgar score 5, normal delivery at 11:20 A.M. on Oct. 14, 1972. Lt. side congenitaldiaphragmatic hernia. This infant was twin. this infant's mother was toxemia. Case 3; A 33 years old women wasadmitted to the our hospital because of Lt. hip joint pain without other symptoms. Date of admission; Jan. 8, 1973 Rt. side contenital diaphragmatic hernia. Case 4: A 4 month infant male was admitted to the our hospital becauseof vomiting, dyspnea and abdominal pain. He had cyanosis intermittently after one month ago. This infant wasnormal deliveried. The family history was not contributory. Date of admission; Aug. 30, 1971. Rt. side congenitaldiaphragmatic hernia. Case 5: A 13 years old girl was admitted to our hospital because of general weakness withoutother symptoms. This patient was normal deliveried. The family history was not contributory. Date of admission; March 15, 1973. Lt. side congenital diaphragmatic hernia.