Hard lumps inside the milk may be caused by milk blockage, mammary gland hyperplasia, acute mastitis, which can be relieved by fetal sucking, massage, hot compresses, surgery and so on. 1. Milk lumps stagnation: The breast milk secretion is too much, the baby eats too little, or the feeding time is delayed, can not reach the effective emptying, triggering the milk lumps stagnation, you can through the fetus sucking way, relieve the milk lumps stagnation, promote the milk emptying, and achieve the purpose of the mammary ducts smooth. 2. Mammary gland hyperplasia: Mammary gland hyperplasia is caused by the rise of estrogen secretion level, usually there will be hard lumps inside the milk, you can improve the symptom through the way of hot compresses, the surface of the breast with a hot towel hot compresses, to promote the local blood circulation, so that the milk ducts are smooth, to improve the hard lumps inside the milk. 3. Acute mastitis: a common disease in women’s breastfeeding, most of which is due to the accumulation of milk with infection, and the acute inflammation caused by red, swollen, hot, painful, and hard lumps in the milk, you can massage the way, with the palm of the hand along the breast, the mammary ducts to push support the direction of the movement gently, to achieve the dissipation of the local lumps, dredge the milk ducts to promote the discharge of milk, relieve the symptoms. If an abscess is formed in acute mastitis, then incision and drainage of the local abscess is required for treatment. If you have a hard lump in your breast, if you can’t get rid of the symptoms, you should consult a doctor to find out the cause of the problem and treat the symptoms.