Usually women with small breasts and fat and thin no necessary relationship, so some fat women with small breasts should be considered with breast dysplasia, heredity and other factors. For some due to congenital breast disease, puberty often wear corsets and other causes of breast dysplasia, can be manifested as small breasts, usually with the female fat and thin no customary relationship. If the breasts of immediate family members are small, it can be due to genetic factors that lead to their own breasts are small, but also with fat and thin has no direct relationship. Some fat women have small breasts because of visual errors, not really small breasts. At the same time, there are some women who have small breasts due to abnormal hormone levels in their bodies. If a woman thinks that small breasts affect her beauty, and after medical checkups to exclude organic diseases, she can cooperate with her doctor to make her breasts bigger through breast augmentation surgery such as autologous fat augmentation and breast implantation. After the surgery, patients need to strengthen the skin care of the breast area to prevent infection. Women are advised to establish a correct perception of the breast and avoid pressing and rubbing the breast tissue at will to prevent affecting the health of the breast.