The technique for rubbing away hard breast lumps during breastfeeding is to rub the area of the lump firmly with the belly of the middle, index and ring fingers together. You can also apply hot compresses, first soak a towel in hot water to not harm the skin, then cover all the breast areas of the lump with a hot towel, make sure to cover all the lumps and nipples together, after covering the hot towel, you can gently work with the massage. In addition, you can also use combing method, apply olive oil or vegetable oil on the breast, and then use your fingers to gently comb along the lump to the nipple, generally massaging along the direction of the milk ducts, you can clearly feel the change of the lump. Breastfeeding women with hard lumps in the breast, in the massage process, you need to pay attention to the power control in their own tolerable range, do not use violence, resulting in damage to the breast ducts, if there is localized redness and swelling, pain aggravation need to consult a doctor in a timely manner.