Breast size is related to genetic and endocrine factors, and can be made larger through supplemental nutrition, exercise, and breast filler surgery. 1. Supplementary nutrition: breasts are mainly composed of connective tissue and adipose tissue, and collagen is the main component of connective tissue, so you can supplement collagen-rich foods or drugs. Vitamin A can stimulate the secretion of female hormones, vitamin B is conducive to the synthesis of estrogen, so you can supplement vitamins to promote breast development. 2. Exercise: Breast enlargement exercise can make the muscles in the breast area developed, which can visually make the breasts bigger and more straight, but need to persist for a long time. 3. Breast Filling Surgery: For women who are not satisfied with their breasts, they can have their breasts enlarged by breast filling surgery, choosing different surgical methods according to their own conditions, such as breast implant, autologous fat transplantation, hyaluronic acid filling to make their breasts bigger. Women do not need to be overly concerned about the size of their breasts, just treat them correctly.