Marfan Syndrome is a rare congenital disease characterized by the abnormalities of Sheletal system, eye and cardio-vascular system which was initially desiribed by Marfan in 1896. One case of marfan syndrome was treated at the department of Orthopedic Surgery, College of Medicine, Seoul National University for multiple skeletal deformities. Moderate degree of scoliosis was treated with Milwaukee brace and finger deformities with Z-plasty and full thickness skin graft.