Due to the late postoperative permanent ptosis recurrence in breast reduction and/or mastopexy, the senior author has introduced a new surgical technique using the inferior third of the pectoralis major muscle which constructed and fashioned according to the anatomo-histological variations. Fixation of this muscle flap to the inferior pole of the mammary gland will avoid any future breast ptosis. Personal experience with 51 consecutive cases of breast reduction and/or mastopexy operated between March 1994 and March 1996 is reported. The procedure is illustrated in details; the main indications, late results, limitations and possible early and late complications are studied and discussed.