Small white dots on the nipple, consider that it may be related to mastitis, cracked nipple, fat accumulation and other factors. 1. Mastitis: If you don’t take care of your breasts, especially during breastfeeding, there is a high risk of bacterial and other pathogenic microbial infections that can lead to mastitis. Mastitis can cause the organism to secrete purulent secretions and appear as small white spots on the nipple. 2. Cracked nipples: A child holding the nipple for a long time or sucking hard on the nipple may cause the skin on the surface of the nipple to crack, which may also lead to small white spots on the nipple. 3. Fat accumulation: female obesity or genetic factors, the accumulation of fat tissue around the nipple is also a common clinical cause of small white spots on the nipple. Small white spots on the nipple may also be related to tumors and other causes. It is recommended to go to the breast surgery department of the hospital as soon as possible in order to clarify the cause of the disease.