Nipple enlargement and darkening is a normal physiological phenomenon, no need to be too nervous. When women are in puberty or pregnancy, due to the sudden rise in estrogen levels, causing breast duct hyperplasia and pigmentation, resulting in nipple enlargement and areola color deepening, and even skin pigmentation, such as darkening of the pubic area and armpits, etc. After the end of breastfeeding or the first menstruation, due to the gradual stabilization of hormone levels, some of the skin color may change. After the end of breastfeeding or the first menstruation, as the hormone level gradually stabilizes, some of the skin color may change. In a word, nipple enlargement and blackening is a normal physiological process, generally do not need special treatment, if the patient consciously affect the aesthetic, can go to the regular hospital dermatology or cosmetic surgery under the guidance of a professional doctor for surgery or drug treatment, avoid believing in folk remedies, so as not to cause serious consequences. At the same time, daily life should be light and rich in vitamins, avoid eating high-fat and spicy, stimulating food.