Girls can make their breasts bigger through natural breast enlargement or surgical breast enlargement. 1. Natural breast enlargement: Nutrient-rich food can effectively stimulate hormone secretion in the female body, by supplementing the nutrients needed by the breasts, can promote the secondary development of the breasts, to achieve the effect of breast enlargement. In addition, the use of professional massage can also promote the development of breast glands to a certain extent. 2. Surgical breast augmentation: Through external surgery to implant implants or autologous fat into the breast tissue, the breast can be shaped to quickly achieve the desired effect. At present, although the domestic breast enlargement surgery is more mature, but any surgery needs to have risk, need to consider the overall factors carefully use surgery. In addition, exercise and training of the pectoralis major muscle can also play a role in making the breasts bigger.