Frequent blockage of milk with hard lumps usually check breastfeeding women, the common reasons are: mother’s milk production is too much, the baby eat too little; start breastfeeding time delay; baby sucking method is not correct, each time the sucking can not completely empty the breast; mother’s nipple has an indentation and so on. A blockage causing a hard lump will lead to blocked milk ducts and milk stagnation, and the breasts will be tender to the touch, and the pain at the breast will be too great to touch. Many women postpartum mastitis is caused by poor milk discharge, the best way to solve the problem is to let the milk empty, the redness, swelling, heat, pain and other symptoms of the breasts will be reduced, the breasts will become softer, but also become very comfortable. In addition, often blocked milk hard lumps should also be considered disease factors, such as breast tumors, breast hyperplasia compression of the milk ducts, etc., it is recommended that the hospital as soon as possible, standardized examination and treatment.