If the hard lump is small and there is no obvious swelling, pain, fever and other symptoms, you can through the local manipulation massage or hot towels with wet compresses, you can also use a breast pump to suck out the residual milk, can promote the absorption of hard lumps. If the lump is large and accompanied by obvious swelling, pain, fever and other symptoms should be treated with medication. Correct breastfeeding habits and adjust the diet, drink more soup during breastfeeding, eat more protein-rich food, keep in a good mood, do not eat spicy and stimulating food, pay more attention to breast hygiene, and empty the milk in time when there is too much. During breastfeeding, you should try to wear loose and comfortable underwear and use the correct way of breastfeeding. Empty the milk as much as possible when breastfeeding to avoid milk stagnation, which may produce milk blockage and hard lumps. Do not eat spicy and stimulating food during breastfeeding, drink more soup and keep your mood relaxed.