Chemotherapy regimens after breast cancer surgery include TAC regimen, AC regimen, and other regimens. 1.TAC regimen: it refers to docetaxel plus doxorubicin and cyclophosphamide. 2. AC regimen: chemotherapy AC regimen is an abbreviation for a treatment, dosing regimen, doxorubicin plus cyclophosphamide, AC sequential paclitaxel regimen, AC sequential weekly paclitaxel regimen, TC regimen of docetaxel combined with cyclophosphamide, and so on. 3. Other regimens: for example, FAC regimen consisting of fluorouracil, doxorubicin and cyclophosphamide, EC regimen consisting of epirubicin and cyclophosphamide, FEC regimen consisting of epirubicin and fluorouracil, CMF regimen consisting of cyclophosphamide and methotrexate plus fluorouracil, and so on. Chemotherapy is prone to adverse reactions such as hair loss, drop in blood cells, vomiting and nausea. If the body is excessively weak and the side effects of chemotherapy drugs are relatively large, in this case, do not force chemotherapy. The chemotherapy regimen after breast cancer surgery should be selected under the guidance of physician’s interview and according to the patient’s specific situation, and contact the attending physician in time if there is any discomfort.