The actual time to heal from acute mastitis is related to the severity of the condition and whether it is treated promptly and effectively, and should be analyzed on a case-by-case basis. Acute mastitis is common in breastfeeding women, mostly due to poor drainage of milk, stagnation in the breast leading to infection and inflammation, the less severe, timely detection of patients, timely emptying of milk, taking anti-inflammatory drugs can be cured in 1 week; if systemic symptoms, local redness, swelling, heat, pain symptoms, or the emergence of local hard nodes, oral or intravenous drip antibacterial drug treatment, generally 2-4 weeks to recover. If the patient’s condition develops further and local abscesses appear, surgical incision and drainage, together with medication, are required to recover, and the treatment time is extended accordingly. Pregnant women who are breastfeeding should pay attention to emptying the milk and keeping the breast area clean to avoid acute mastitis.