Many new mothers, after giving birth, find that they have hard lumps in their breasts. These hard lumps affect both breastfeeding and the health of the mother, so what are these hard lumps, how are they formed and how can they be avoided? Breast hard lumps usually occur one or two days after delivery, sometimes just a small lump, and then gradually increase in size, the whole breast is blocked, and in severe cases, there is breast swelling and tingling sensation, which is commonly known as milk blockage, or breast milk stagnation. The formation of milk stagnation is due to a short period of time after delivery, the mammary ducts are not clear, the milk accumulates in the mammary glands can not be discharged, so the formation of swelling, if this period of time the new mother did not clear the mammary ducts in a timely manner, will lead to mastitis, if the delay in the treatment of the time there is also the risk of septic infection. How to avoid this situation? 1, pay attention to personal hygiene, nipple, areola cleaning is particularly important. Before each breastfeeding to pay attention to the nipple clean, can be gently wiped with warm water, after feeding the baby also need to wipe the nipple clean, not only to avoid the milk stagnation, but also to avoid the baby “sick from the mouth”; 2, if the baby after the breastfeeding did not eat all the milk, you can artificially or with the sucker will be the remaining milk extrusion, emptying the breasts; 3, breastfeeding to the correct way, when the baby is not in the breastfeeding, it is also important to avoid the baby’s mouth. The correct way, do not only contain the nipple when breastfeeding, to let the baby with the areola to contain up, so that not only make the sucking more powerful, but also effective prevention of nipple cracks; 4, such as new mothers have occurred in the breast hard lumps and swelling, feasible breast massage, first of all, the breast for hot compresses, with the five fingers of the hand from the breast around the nipple to the center of the squeeze, the use of the hand to grab the massage to dredge the obstruction of the mammary gland ducts, the massage force also The force of the massage is also based on the principle of no pain.