Chest pain refers to nipple pain, may and mastitis, breast hyperplasia have a certain relationship, more serious can not rule out the possibility of breast cancer, you can first go to the hospital to do a detailed examination to confirm the diagnosis, mastitis can be divided into acute and chronic two kinds of common symptoms are mainly breast, nipple pain, accompanied by redness, swelling, high fever or chills and other reactions. Breast hyperplasia is characterized by swelling and pain, especially before and after menstruation when the pain is more intense and obvious. Breast cancer is a malignant tumor that occurs in the breast area, mostly manifested as painless lumps in the breast, and a small number of patients may have different degrees of tingling, and nipple overflow phenomenon occurs. In addition, some breastfeeding women may have pain in the nipple area due to nipple cracking caused by the baby’s strong force in sucking the nipple, and the skin damage on the surface of the nipple can be seen through careful observation.