Two patients with funnel chest deformity were corrected at the Department of Thoracic Surgery of Chosun University Hospital. The first case was 5 year old boy, suffering cosmetic deformity, of which hollow cavity was measured 25ml of water. He was corrected by modified Ravitch method. The second case was 12 year old boy, suffering from exertional dyspnea with symmetrical funnel chest deformity, of which hollow cavity was measured 55ml of water. He was corrected by method of sternal turnover. The surgical results of these cases were satisfactory.