The choice of treatment methods for hard lumps in the breast during breastfeeding is to determine the nature of hard lumps in the breast first, as follows: 1. stagnant milk, the milk secreted during breastfeeding will gather and solidify into hard lumps, which is a normal physiological phenomenon. If the breast is swollen and painful, it can be treated with back milk medication and antibiotics can be used prophylactically to prevent mastitis from occurring. 2. mastitis, if the nipple is cracked, bacteria will enter the breast through the crack and the milk provides nutrients, causing the bacteria to multiply and cause mastitis, which will form inflammatory hard lumps in the breast. The actual fact is that you can get a lot more than just a few of the most popular and popular items in the market.