The most common type of mastitis is a chronic non-bacterial mastitis with ductal dilatation and infiltration. In the subacute and chronic stages, the masses continue to shrink and form hard nodules. 2, nipple overflow: some of the first symptoms, mostly yellowish liquid, related to internal nipple secretions. 3, nipple indentation, some cases can appear orange peel sign, with the development of the disease section to form an abscess, break down to form a long-lasting fistula leading to the nipple. How to treat] 1, the acute phase of anti-inflammatory: you can use Chinese medicine, hormones, antibiotics with the use. 2, abscess formation, you need to cut and drain, change the medicine. 3.Surgical treatment: Applicable to: fistula or sinus tract formed after drainage of abscess. Only then can the lesion be removed and the chances of recurrence be reduced. 4, long-term drug therapy: for patients with poor results of comprehensive treatment or recurrence after surgery, the effect of surgery again is poor, there are studies suggesting that the infection bacteria of plasmacytoid mastitis to Mycobacterium tuberculosis-like mycobacteria are more common, you can take anti-tuberculosis drugs for treatment . The first thing you need to do is to have a breast lift or surgery to correct the nipple depression in time. 2, long-term severe mastopathy may lead to poor discharge of secretions in the milk ducts, which should be treated in a timely manner. 3.When there is a lot of overflow in the milk ducts or when it is too viscous, the cause should be actively sought with the help of a doctor. If necessary, make the milk ducts clear through lactoscopy and flushing to avoid blockage of milk ducts, residual secretions and induced peri-mammary ductitis. 4. Pay attention to personal hygiene, keep the nipple-areola area clean, help remove secretions appropriately, and avoid wearing tight tops and bras. 5, enhance physical fitness, improve their own immunity: pay attention to the combination of work and rest, participate in more physical exercise, eat more fresh fruits and vegetables rich in vitamins.