Mammocentesis results show inflammation, suggesting the occurrence of mastitis. Depending on whether it occurs during breastfeeding or non-breastfeeding, medication, localized treatment, or surgery may be chosen. 1. Mastitis during lactation (1) Antibiotic treatment: antibiotics such as penicillin, benzathine sodium, ceftazidime, etc. can be used according to the results of drug sensitivity test or empirically. However, it should be noted that antibiotics such as tetracycline, gentamicin and other aminoglycosides, and quinolones such as ofloxacin are contraindicated, and breastfeeding should be discontinued if they are needed. (2) Local treatment: including local hot compresses, breast pumps, etc. to promote milk elimination. (3) Surgical treatment: including incision and drainage of abscess, puncture and drainage of pus. 2. Non-lactating mastitis (1) Drug treatment: broad-spectrum antibiotics such as chloramphenicol combined with metronidazole can be used to control the inflammatory reaction. For granulomatous mastitis, steroid hormones can be used to control, and surgery can be performed after the lesion is confined. Related medicines (2) Local treatment: hot compresses, etc. (3) Surgical treatment: surgical removal of all diseased tissue to avoid recurrence. The above drugs should be used under the guidance of clinicians and should not be used without authorization. If mastitis is suspected, it is recommended to go to the hospital in time.