With the continuous improvement of breast cancer chemotherapy regimen, Xeloda has achieved remarkable efficacy in treating advanced breast cancer. Breast cancer has currently become one of the top killers to human health. Data has verified that Xeloda for treating advanced breast cancer can reduce 34% of tumor recurrence risk. This thesis indicates that Xeloda can extend the survival period of patients with progressive breast cancer, whether as a single drug or combined with other chemotherapy drugs.