In Korea, reduction mammaplasty had not been performed because of ugly final scar. Recent decade, the number of patients who are suffering from large breast with back, neck, shoulder pain has been increased. And plastic surgeons are concerning about that kind of operarion. The inverted T method has been standard method for reduction mammaplasty. Many European and Brazilian plastic surgeons have developed their own methods with good results. Recent trend is focusing on the shape, projection, and scar of the breast, not on the design of skin excision. We discussed about various methods of reduction mammaplasty and their modifications which are fit for above principle.