Two cases of total anomalous pulmonary venous connection(TAPVC) were diagnosed in 18 years old female and 20 years old male. Both of them complained frequent URI and exertional dyspnea from childhood. The chest films of the two cases showed cardiomegaly and increased pulmonary vascularity. Particulary, the film of female case showed a typical snowman appearance. In both cases, the diagnosis of TAPVC was made preoperately by 2-D echocardiography, cardiac catheterization, and cardiac angiography. The postoperative diagnosis was also TAPVC. The correvtive surgery was performed without complications and postoperative course was uneventful. We report two cases of TAPVC which is very rare in adult.