This is case report of total anomalous pulmonary venous return with atrial septal defect which were corrected surgically by intracardiac procedure under total cardiopulmonary bypass.Two patients were supracardiac type,cardiac and mixed type was each one.The mixed type was three years old female patient.She was diagnosed as atrial septal defect with partial anomalous pulmonary venous return[right pulmonary vein drains into superior vena cava and right atrium] and corrected as usual.After operation,she underwent exertional dyspnea and frequent tachycardia.Chest x-ray film showed pulmonary congestion.Follow up cardiac cineangiogram revealed that left pulmonary vein also anomalously drained into left innominate vein through vertical vein.Through left thoracotomy,anastomosis was successfully carried between left atrium and vertical vein without cardiopulmonary bypass and there was no sign of pulmonary artery obstruction for two years follow up.The other three patient were corrected successfully without complication and got good result.