Acute mastitis is an acute purulent disease of the breast caused by the invasion of bacteria such as Staphylococcus aureus into the breast and milk duct tissue. So how do women prevent and control it? The following are the three main prevention and treatment methods for mastitis: 1, after 6 months of pregnancy, every day with a towel dipped in water to scrub the nipple stuffed into the child to avoid biting; 2, do not let the child develop the habit of sleeping with the nipple; 3, after breastfeeding, wash the nipple with water, lined with a fine soft cloth between the nipple clothes to avoid abrasion.