Nipple pain during breastfeeding is mostly caused by cracked nipples, nipple inflammation, eczema and so on. Patients can treat the symptoms. 1. Cracked nipples: Cracked nipples are more common during breastfeeding, which is a kind of shallow crack on the skin surface. It is mainly due to the nipple is too dry, or breastfeeding baby bites due, you can adjust the habit of breastfeeding. 2. Nipple inflammation: Nipple inflammation is a kind of inflammation caused by the skin and glands of the nipple. Mostly seen in breastfeeding women, it is mainly due to the mechanical stimulation of breast milk by babies, bites and other reasons, causing the nipple skin rupture or cracks, bacteria from the wound invasion infection. You need to pay attention to clean nipple hygiene to prevent infection. 3. Eczema: The etiology of eczema is complex and may be related to the environment, food, local stimulation, etc. It is accompanied by obvious oozing and itching. The lesions are polymorphic, often symmetrically distributed, recurrent, patients should keep the skin clean, avoid the use of soap to wash, avoid scratching, can reduce itching by cold compresses. At the same time, breast and nipple pain can also occur in breast stasis, dilated ducts, breast cancer, breast hyperplasia and other diseases, which need to be carefully identified. If nipple pain is not relieved, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to clarify the diagnosis, targeted treatment.