8. Subjects voluntarily join this study, sign the informed consent form, have good compliance and cooperate with follow-up.
You may not be if
1. Pregnant, lactating patients;
2. Breast cancer has been found to have distant metastasis;
3. Those with peripheral nervous system disorders caused by the disease or with a history of significant mental disorders and central nervous system disorders;
4. Those with severe infection or active peptic ulcer requiring treatment;
5. Allergic to chemotherapy drugs;
6. Cancer free period less than 5 years except for cured basal cell carcinoma of the skin and cured carcinoma in situ of the cervix;
7. Severe liver disease (e.g., cirrhosis, etc.), renal disease, respiratory disease, or uncontrolled diabetes;
8. Patients who are participating in other clinical trials or within a month.