Black nipples are a normal physiological phenomenon and need not be overly stressed. When a woman is in puberty or pregnancy, due to the sudden rise in the level of estrogen in the body, causing hyperplasia and pigmentation of the breast ducts, resulting in a deepening of the nipple color black, and even skin discoloration, such as darkening of the pubic area and armpits, etc. After the end of breastfeeding or the first menstrual period, the hormone level gradually stabilizes, and some skin color can be improved. In conclusion, the nipple black for the normal physiological change process, do not need special treatment, if patients feel that affect the aesthetic, can go to the regular hospital dermatology or cosmetic surgery, under the guidance of professional physicians for surgery or drug treatment, avoid believing in folk remedies, so as not to cause serious consequences. Daily life should be light, vitamin-rich food, avoid eating high-fat and spicy, stimulating food.