Foot pain after chemotherapy for breast cancer may be caused by the adverse reaction of chemotherapy drugs, or it may be caused by bone metastasis of breast cancer, plantar fasciitis, etc. It is necessary to take medication, surgical treatment and radiotherapy according to the cause of the disease. 1. Adverse reaction of chemotherapeutic drugs: some breast cancer patients may have the adverse reaction of peripheral nerve toxicity after chemotherapy, and the patients will have the performance of foot pain. It is suggested that patients can use non-steroidal anti-inflammatory drugs such as ibuprofen and acetaminophen tablets under the guidance of doctors. 2. Bone metastasis of breast cancer: Bone metastasis after chemotherapy for breast cancer may also cause foot pain, at this time, it is necessary to use aromatase inhibitors such as anastrozole and exemestane, as well as targeted drugs such as lapatinib and pyrrolitinib under the guidance of doctors. In addition, patients can also take radiation therapy. 3. Plantar fasciitis: plantar fasciitis can also manifest as foot pain, at this time under the guidance of the doctor in the local application of piroxicam ointment, diclofenac ethylenediamine latex and other non-steroidal anti-inflammatory drugs. Some patients may also be given local injections of glucocorticoids such as dexamethasone and betamethasone, as well as anesthetics such as procaine and lidocaine, as prescribed by the doctor. If the patient’s foot pain is severe, he or she may be treated with plantar fascia release. Foot pain after chemotherapy for breast cancer may also be caused by trauma, heel bone spurs, etc. It is recommended that the patient consult a doctor in time and follow the doctor’s instructions for treatment.