Patients with acute mastitis can eat eggs, but should not consume them in excess, as too many can lead to increased accumulation of body fat and elevated cholesterol levels. Prevention is more important than treatment for mastitis, and specific methods include maintaining nipple cleanliness during lactation. Frequently wash with warm, soapy water, and nipples can also be washed with 3% boric acid water before and after breastfeeding. For those with inverted nipples, gently squeeze out the nipple before washing. It is important to develop good breastfeeding habits, breastfeed on a schedule, and ensure that all the milk is drawn out each time. If the milk cannot be fully expressed, use hand massage or a breast pump. Additionally, do not let the baby suckle while sleeping. If there is nipple damage or cracking, stop breastfeeding, use a breast pump to extract milk, and resume breastfeeding once the wound has healed.