Baby breastfeeding nipple swelling can be taken to prevent infection, change the feeding posture, the use of breast pump and other measures. 1. Prevent infection: nipple swelling after breastfeeding may be secondary infection, affecting maternal health and breastfeeding, so should pay attention to clean, to prevent bacterial growth, if necessary, under the guidance of a medical professional to carry out anti-infection treatment, such as topical erythromycin ointment, etc., pay attention to breastfeeding should be washed clean. 2. Change the feeding position: nipple swelling after breastfeeding often occurs during the baby’s teething period, you can put the whole areola into the baby’s mouth when breastfeeding, and alternate breastfeeding on both breasts at the same time. 3. Use a breast pump: breastfeeding excess breast milk can be sucked out of the breast pump, standardized preservation for feeding, can reduce the risk of breast infection, while appropriate to reduce the frequency of infant sucking nipple. Baby breastfeeding nipple swelling if infection occurs, should stop breastfeeding, to the regular hospital to consult a professional physician. Medications should be used under medical supervision.