Breasts slightly hit during breastfeeding is generally not a problem, do not worry too much; however, if the impact is severe, it may cause damage to the milk ducts, the symptoms of compression of milk ducts milk stagnation and tissue edema, easy to induce mastitis or soft tissue damage. After the impact, the patient needs to empty the breast milk as much as possible, let the baby suck more or use a breast pump. If the pain is not obvious, generally does not affect milk secretion, you can use a towel hot or cold compresses or local massage to promote blood circulation, reduce the occurrence of subcutaneous bruising, relieve local pain. If the pain is more serious, the patient should go to the hospital in time for consultation and targeted treatment under the guidance of the doctor.