Heart diseases that can be treated by minimally invasive thoracoscopic surgery include: Most congenital heart diseases: ◆Atrial septal defect ◆Ventricular septal defect ◆Atrioventricular canal malformation (endocardial cushion defect) ◆Pulmonary stenosis ◆Triple atrium ◆Pulmonary ectopic drainage ◆Accessible coronary sinus ◆Partial ectopic pulmonary drainage Individual heart valves diseases: ◆ Mitral stenosis ◆Mitral valve closure ◆Mitral valve insufficiency ◆Aortic valve stenosis ◆Aortic valve closure insufficiency ◆Tricuspid valve closure Others: ◆Pericardial cysts ◆Mucinous tumors of the heart ◆Re-operation of the heart valves is especially suitable.