Most of the nipple pain during breastfeeding is related to incorrect breastfeeding posture, the correct breastfeeding posture is to let the child to take the whole areola in the mouth, not just sucking the nipple, so that the nipple pain can be relieved soon. If nipple pain is accompanied by breast swelling, it may also be related to milk stagnation and swelling of the milk, you need to empty the milk in time, let the child suck more. If there is any milk left after breastfeeding, you need to empty it in time, so as to prevent breast and nipple swelling caused by milk stagnation and poor discharge. In addition, if you have nipple pain even though there is no milk distention and the breastfeeding position is correct, and you have not done breast ultrasound before pregnancy, it is recommended to do further breast ultrasound to see if there is any abnormality. During the breastfeeding period, you need to maintain a comfortable mood, pay attention to breast hygiene, warm water scrubbing, wear the right bra, breastfeeding on demand, and timely emptying to keep lactation smooth.