Freshly expressed breastmilk usually does not need to be reheated before feeding. Freshly expressed breastmilk can be fed directly to the baby because it has not been expressed for a long time and has been in contact with cold air for a shorter period of time, which is at a more suitable temperature and does not need to be heated up again. However, if the breast milk after the long storage time or stored in the refrigerator, it should be heated in time, so as not to feed the baby after the cause of abdominal pain and diarrhea. Lactating women should pay attention to a light and nutritious diet when breastfeeding, and pay attention to feeding the baby on demand. Avoid overfeeding, overfeeding, and burp the baby after feeding to avoid spitting up.