The prognostic effect of breast cancer is closely related to the severity of the disease and has little to do with the number of chemotherapy treatments, so six chemotherapy treatments for breast cancer does not guarantee that the disease will be cured. In general, the earlier the breast cancer is detected, the better the treatment effect is and the higher the 5-year survival rate is. It can be seen that the treatment of breast cancer is more related to the degree of disease development. The number of chemotherapy treatments for different conditions is not certain, so there is no guarantee that the disease will be cured after 6 chemotherapy treatments. Chemotherapy is an important treatment for breast cancer, but it is mainly used as an adjuvant tool, and the main method is surgery. Secondly, it should be noted that during postoperative chemotherapy, patients are prone to cardiotoxicity, bone marrow suppression, gastrointestinal reactions, allergic reactions, etc., so it is necessary to do a good job of convalescence. Chemotherapy refers to the use of cytotoxic drugs to kill cancer cells, and commonly used drugs include doxorubicin, docetaxel, paclitaxel, etc. It is recommended to use the drugs as prescribed by doctors.