There are many kinds of chemotherapy drugs for breast cancer, mainly including docetaxel, doxorubicin, cyclophosphamide, paclitaxel, fluorouracil, methotrexate and other drugs. The common chemotherapy regimens for breast cancer are multi-drug combination regimens, as follows: i. TAC regimen: this is more commonly used, that is, docetaxel combined with doxorubicin and cyclophosphamide. II. AC regimen: It is a doxorubicin combined with cyclophosphamide regimen. III. TC regimen: It is the regimen of docetaxel combined with cyclophosphamide. IV. FAC regimen: it is the regimen of fluorouracil combined with doxorubicin and cyclophosphamide. V. FEC regimen: It is the regimen of epirubicin combined with fluorouracil, etc. There are many kinds of chemotherapy drugs and chemotherapy regimens for breast cancer. It should be based on the patient’s own physical condition and the condition of the tumor to choose a suitable chemotherapy regimen.