When granulomatous mastitis occurs, it is characterized by a swelling in the breast, which is relatively hard and may even break down. Granulomatous mastitis is a kind of chronic mastitis, which is most common in young women around 30 years old. After getting this disease, there will be a swelling on the breast, which is relatively hard in texture and not clearly demarcated from the surrounding tissues, with local redness and swelling, and sometimes abscesses will be formed, which will lead to rupture and pus, and will be ruptured and pus repeatedly. After confirmation of granulomatous mastitis, it is necessary to go to a regular medical institution for comprehensive treatment, including anti-infective treatment, hormone treatment, traditional Chinese medicine treatment, surgical treatment and so on, to be able to cure this disease.