We reviewed 10 cases of traumatic diaphragmatic injuries at Soonchunhyang University Gumi Hospital from January 1990 through April 1993. seven patients were male and three patients were female. The age distribution was ranged from 25 to 79 years, predominant 4th decades occurred in male. The traumatic diaphragmatic injuries were due to blunt trauma in 9 cases (traffic accident 7 and crash injury 2) and penetrating wound in 1 case (stab wound). The common symptom were dyspnea (60%), chest pain and abdominal pain in order frequency. In the blunt trauma and crash injury, te rupture site was all located in the left(9 cases). In the penetrating wound, the rupture site was located in the right(1 case). The surgical repair of 10 cases were performed with transthoracic approach in 9 cases and thoracoabodominal approach in 1 case. The postoperative mortality was 10% (1/10). The cause of death was multiple organ failure with pulmonary edema.