Triple-negative breast cancer with multiple metastases can be treated by chemotherapy, surgery and radiotherapy. 1. Chemotherapy: multiple metastases of triple-negative breast cancer is more sensitive to chemotherapy, patients can choose Docetaxel, Doxorubicin Hydrochloride and other chemotherapy drugs under the guidance of doctors, which can eliminate tiny metastatic foci and reduce the chance of spreading of cancer. 2. Surgery: patients with multiple metastases of triple-negative breast cancer can choose total mastectomy, excision of tumor and its surrounding tissues according to their conditions, which can block the spread of cancer cells to other parts and completely remove the lesions. 3. Radiotherapy: After surgery, patients with multiple metastases of triple-negative breast cancer should also choose radiotherapy to kill the cancer cells that may remain and prevent the cancer from recurring. Patients with multiple metastases of triple-negative breast cancer should go to the hospital for review in time and choose appropriate treatment.