Nipple pain sucked by the baby is called cracked nipples, need to suspend breastfeeding, pain relief methods include applying honey butter, cod liver oil, anti-inflammatory drugs, and to use a breast pump timely milk out. 1. After breastfeeding, clean the nipple with saline, and then apply honey butter after drying, mix the two according to the ratio of 1:1 and then apply on the nipple and areola, which can effectively relieve the pain. 2. After cleaning the nipple, use 10% bismuth cod liver oil to apply on the nipple, which can relieve pain and promote wound healing. 3. For obvious trauma, anti-inflammatory medication can be used, using erythromycin ointment applied to the cracked nipple, after the use of medication, be careful to suspend breastfeeding. 4. suspend breastfeeding during the period, but also regularly with a breast pump to discharge milk, so as to avoid the accumulation of milk caused by breast swelling and pain. If your nipples are sore from being sucked on by your baby, it is recommended that you actively seek medical attention and reasonable treatment under the guidance of your physician.