Breast enlargement lymph nodes may be caused by breast hyperplasia, mastitis, breast cancer and other diseases, which can be treated by medication, physical therapy and surgery. 1. Breast hyperplasia: most patients have no clinical symptoms, some patients may have symptoms such as swollen lymph nodes, breast swelling and pain. Anti-infection treatment by taking drugs such as Cefixime capsule or injectable Cefotaxime sodium under doctor’s guidance is beneficial to the subsidence of lymph nodes. 2. Mastitis: If the patient’s breast hyperplasia is combined with mastitis disease, it may lead to swollen lymph nodes. It can be treated by local physical methods, such as hot compresses, massage, etc., which can reduce the symptoms. If abscesses are formed, surgical incision and drainage is needed to promote recovery. 3. Breast cancer: If the patient suffers from breast cancer, the symptom of breast hyperplasia lymph nodes may also appear, usually it will gradually increase from small to large, and the lymph nodes will change from few to many, etc. The symptoms of breast cancer can be treated by radical surgery and lymph node treatment. Treatment can be carried out through radical surgery and lymph node dissection. Adjuvant treatment such as radiotherapy and chemotherapy is also needed. In addition, mammary hyperplasia lymph nodes are also considered to be related to other organ diseases leading to enlarged lymph nodes as well as tumors originating from lymph nodes. It is recommended that patients with mammary hyperplasia lymph nodes should clarify the specific situation under the guidance of the doctor before deciding on the next step of treatment, and the specifics of the treatment should be in accordance with the doctor’s instructions.