When pregnant women experience milk accumulation, it is mostly due to the localized unobstructed mammary ducts, which can be intervened by diligent breastfeeding or localized massage and localized hot compresses when there is no obvious discomfort such as fever. Pregnant women have milk mainly due to localized breast ducts are not smooth, resulting in the accumulation of milk, so that the breast swelling and pain. At this time is normal, most do not need to use medication, in the absence of fever and breast not obvious redness and swelling can be dealt with by moderately increasing the frequency of breastfeeding or use the milking device to suck out the excess milk, etc., if accompanied by obvious fever and breast redness and swelling need to be assessed by a mammographer. In addition to this, localized hot compresses and massages can be used to promote the discharge of milk from the breasts to reduce pain and swelling. In addition, when there is breast swelling and pain, you also need to pay attention to keep clean to prevent infection, you can use warm water to clean the towel after the local wipe. If a pregnant woman has a condition of milk accumulation that persists and cannot be relieved, it is recommended that she go to the hospital in a timely manner and be treated under the guidance of a doctor.