Diaphragmatic eventration is a rare condition in primary diaphragmatic diseases and is found rarely in clinical experience. Diaphragmatic eventration means abnormally high position of diaphragm, which is caused acquired, paralytic or congenital, nonparalytic etiologic origins. This report is presented a symptomatic diaphragmatic eventration of 50 years old woman, who had complained coughing and left chest pain since I year ago prior to admission in Kosin Medical College, Gospel Hospital. A patient who had established accurate diagnosis at pre-operative period. There had been post-operative course uneventfully.