Dark nipples are a normal physiological phenomenon, no need to be too nervous. When a woman is in puberty or pregnancy, due to the sudden rise in estrogen levels, causing mammary duct hyperplasia and pigmentation, resulting in deepening of the nipple color black, and even skin pigmentation, such as the pubic area and armpits black, etc., to be the end of breastfeeding or the first menstruation, the hormone level gradually tends to stabilize, and some of the skin color can be changed. In short, nipple black is a normal physiological process, does not require special treatment, if the patient is self-conscious about the impact on aesthetics, you can go to a regular hospital dermatology or cosmetic surgery under the guidance of a professional doctor for surgery or drug treatment, avoiding to believe in folk remedies, so as not to cause serious consequences. Daily life should be light, rich in vitamins, avoid eating high-fat and spicy, stimulating food.