After chemotherapy, some of breast cancer patients will have body pain, and the relief measures are as follows: 1. Adverse reactions caused by chemotherapy, the most common adverse reactions of chemotherapy are gastrointestinal reactions, such as nausea, vomiting and loss of appetite. Bone marrow suppression after chemotherapy, bone marrow suppression, that is, lower white blood cells and lower platelets. There are also some specific adverse reactions, for example, paclitaxel drugs may cause muscle and joint pain, in which case pain relief symptomatic treatment can be given. Pain medications such as ibuprofen, sulforaphane, diclofenac, or celecoxib can be considered as pain relieving drugs. If bone metastasis is diagnosed, radiotherapy, chemotherapy, endocrine therapy and bisphosphonate therapy can be considered according to the situation. As for the symptoms of pain after chemotherapy, it is necessary to consider the cause in combination with the chemotherapy drug used, the pain site, the degree of pain, and the duration of pain, and if necessary, to take relevant tests to confirm the diagnosis.