Simply according to the nipple next to the long hard lumps can not judge whether it is normal or not; caused by the nipple next to the long hard lumps of many reasons, such as physiological causes caused by the Montgomery’s nodule, but also can be seen in the mammary fibroadenoma, breast ducts within the papilloma and other diseases. 1. Montgomery’s nodule: common in pregnant women, is the Montgomery’s gland duct opening bulge into. In the early stage of pregnancy, the breasts start to enlarge, with obvious congestion, follicular hyperplasia, nipple enlargement and darkening, areola darkening, and Monk’s nodule forming at the periphery of areola; this situation is a normal physiological phenomenon. 2. Mammary fibroadenoma: it is a common benign disease of the breast, preferred by young women; this disease is mainly due to the abnormal increase in the sensitivity of breast tissue to estrogen, resulting in excessive hyperplasia and formation of fibroadenomas; the patients often show no obvious symptoms, and can be touched and painless lumps in the breast, or can also be manifested as palpable subcutaneous nodules and so on. 3. Intraductal papilloma: it is a kind of benign breast tumor, mostly seen in menstruating mothers, the cause of this disease is still unclear; clinical manifestations are usually no obvious symptoms, nipple can be seen with fluid, can also be found in the areola area and the diameter of several millimeters of the small nodules and so on. The hard lumps next to the nipple should also be considered mastitis, breast cancer and other causes, you should go to the hospital in time, the hospital comprehensive examination, in order to clarify the cause of the disease, and actively cooperate with the doctor’s treatment.