There are several possible conditions for breast nipple pain: 1. Mastitis, if the secretions accumulate inside may lead to swelling of the breast, thus causing nipple pain, and also accompanied by fever. If you have a high fever, you can give Merlin or anti-inflammatory pain suppositories to reduce the fever; if you have a low fever, you can wipe your forehead and armpits with alcohol for physical cooling, and take Cefaclor capsules orally for anti-inflammation and Siwip for pain relief. 2. Trauma, if the breast is hit by a foreign object, it may cause a hematoma in the breast and nipple pain, so you can give pulse blood Kang to activate blood stasis and Siwip for pain relief, and at the same time cooperate with massage techniques to eliminate the hematoma. 3. Breast cancer, if If there are hard nodes in the breast, painful nipples with bloody discharge, or orange peel-like changes in the skin or breast indentation, it is recommended to consult a regular hospital to improve relevant examinations to clarify the nature of hard nodes and the cause of nipple pain, and then to formulate the next treatment plan.