Plasma milk is not caused by bacterial infection, but by the accumulation and overflow of fatty material in the ducts, causing chemical irritation and immune response around the ducts, resulting in a large number of plasma cell infiltrates, hence the name plasmacytosis. Repeated episodes and fistulas are formed after rupture, which can be followed by bacterial infections that do not heal for a long time. So it is a special kind of inflammation of the breast. Treatment: 1, the acute phase of anti-inflammatory, because it is not caused by bacteria, so there is no need to use antibacterial, Chinese medicine to clear heat and detoxification; 2, secondary infection, the formation of abscesses, incision and drainage; 3, choose the best time to operate the most important inter-episode period, that is, the wound healing period is the best time to operate.