Women’s breasts are not only a functional organ, with the role of nurturing life, but also a physical organ, which is the most obvious symbol of female physical beauty. Full breasts are a symbol of femininity, and it is in the nature of women to pursue breast beauty. Breast enlargement for underdeveloped breasts is commonly known as breast augmentation. There are many ways to do breast augmentation, the common ones are silicone gel implant augmentation and autologous fat augmentation. With the advancement of medical science in recent years, breast augmentation with autologous fat has gradually become a hot spot in plastic surgery research. Autologous fat comes from its own fat tissue, the abdomen, thighs and other parts of the fat suction, after centrifugation, filtration and other treatments, and then injected into the undeveloped breast, the body’s fat tissue does not have immune rejection, and autologous fat breast augmentation has a rich source of easy to obtain, the effect is natural and beautiful, there is no rejection, surgical safety, etc., as long as the transplantation of the fat cells survived, it will exist in the breast permanently, in principle, it is permanent. However, with the increase of age, the fat cells will gradually wither and necrosis, and the breasts will gradually sag and droop, which is unavoidable.