When pain occurs in breast cancer, surgical treatment, drug treatment, radiotherapy treatment and nerve block treatment are generally adopted to relieve pain. 1. Surgery: pain caused by localized breast cancer infiltrating the chest wall can be treated surgically in the absence of metastasis to distant organs and surrounding lymph nodes. 2. Drug treatment: for advanced breast cancer with bone metastasis pain, pain relieving drugs can be used for treatment. For example, strong opioid analgesic drugs, morphine sulfate extended-release tablets can be taken as the main drug. 3. Radiotherapy: Radiotherapy can fundamentally curb the cancer cells of breast cancer and prevent the cancer cells from spreading and aggravating the pain. The best way to relieve pain is to have radiotherapy treatment. 4. Nerve block treatment: patients with advanced breast cancer can also relieve pain through nerve block treatment, which has a quick effect and can stop pain and eliminate abnormal sensation in time, and it is recommended to be carried out under the guidance of professional doctors. Breast cancer requires medical treatment as soon as possible to avoid delay. The above medications should be used under the guidance of a physician.