Nipple, areola small is just an unusual breast morphology, does not belong to breast disease, with hormone levels, genetic characteristics and other factors, the specific reasons are as follows: 1, hormonal factors: in the development of female breast, has an irreplaceable role, breast, nipple, areola size and abnormalities of female sex hormones during puberty development. The nipple, areola is part of the breast, its growth and the amount of tissue in these parts have a lot to do with, when the body development stage hormone reduction, can lead to the nipple, areola tissue amount can not be effectively developed, will inevitably cause the nipple, areola small; 2, genetic factors: human organ morphology and genetic related, when the previous generation of such phenomena offspring can also be through genetics, and lead to the nipple, areola appearance is relatively small. Nipple, areola small does not belong to the breast disease, only involves the appearance of the requirements, if not satisfied can choose to carry out nipple, areola enlargement surgery to change.