Acute mastitis is an acute purulent infection caused by bacteria entering the breast through the nipple on the basis of milk stagnation. It often occurs in lactating women who have not yet completed a full month after delivery, especially in primiparous women, and can also occur 2-4 months or even more than 1 year after delivery, or during weaning. Clinically, it is characterized by breast lumps, redness, swelling, heat, pain with fever and other systemic symptoms and easy to transmit the sac. The causative organism is mostly Staphylococcus aureus, while streptococcus is rare. The main cause of the disease is milk stagnation and poor milk discharge. The decision to breastfeed should not be made easily, because breastfeeding is not conducive to the health of the mother and child and does not help the inflammation to subside. Postpartum weakness, low immunity, prolonged breastfeeding, poor personal hygiene of the mother, poor emotions, and incorrect breastfeeding methods can predispose to the development of this disease. Therefore, active prevention and treatment of this disease is an important part of postpartum breast health care. The main problem is that the main problem is the stagnation of the milk in the acute mastitis. The right treatment can be eliminated and dispersed, if improperly handled or delayed, it is easy to form an abscess, adding to the pain of prick branding, incision and drainage. According to traditional Chinese medicine, within 1-3 days of the onset of acute mastitis, the use of massage breast drainage techniques to treat the acute mastitis stagnation period, acting directly on the affected area, through the closed Qi, eliminating the siltation of the swelling, to achieve the purpose of Qi dispersion, promote breast circulation, harmonize Qi and blood, drain heat and anti-inflammatory. Smooth milk discharge is the key to successful treatment, which not only relieves the pressure on the milk ducts, but also relieves the pressure on the surrounding blood vessels and lymphatic vessels, which plays a good role in promoting the dissipation of breast lumps. As this method fundamentally relieves the cause of the disease, the clinical efficacy is remarkable, and more than 90% of patients can be cured at once. Compared with other therapies, the massage breast drainage technique is simple and easy to implement, easy to accept by patients, with precise efficacy, economical and without side effects, and does not affect the continuation of breastfeeding, is the first choice for the treatment of acute mastitis depression period. It has a positive effect on improving breastfeeding and promoting healthy growth of infants and children.