Bumps next to the nipple are associated with Montgomery’s gland, nipple inflammation, breast cancer and eczema. Lumps appear in the nipple, consider the Montgomery’s nodes next to the nipple, lumps are prone to occur in the parts of the Montgomery’s gland duct opening, Montgomery’s nodes will not appear pain, in pregnancy, pregnancy estrogen secretion is larger, areola area becomes darker, the Montgomery’s nodes protrudes more obvious. Under hormonal stimulation nipple, areola gradually increase in size, nodule site will appear red, swollen, pain, local pain is considered serious local inflammation, usual hygiene, care do not do well, leading to bacterial invasion of the mammary ducts to form a local inflammatory nodule, will cause nipple pain. Nipple bumps look bigger, should cause alarm, nipple area will appear tumor, malignant tumors grow faster, invade the nipple area nerves, will cause pain, do not rule out skin diseases, peri keratosis pilaris can also cause nipple area bumps, or consider allergy caused. Dietary eating seafood food can easily lead to allergic food, which will cause small papules in the nipple area, and there will be pain when scratching.