To evaluate EC/TC (epirubicin and cyclophosphomide or docetaxel and cyclophosphomide) with EC/TC plus DBD (Danggui Buxue Decoction) in adjuvant treatment of breast cancer patients. The aim is to evaluate whether DBD can decrease the incidence of grade 3/4 neutropenia induced by EC/TC regimen during chemotherapy.

Inclusion Criteria:

Women aged ≥18 years and < 70 years; Histologically confirmed invasive breast cancer by core needle biopsy, suggested to receive EC/TC regiments for adjuvant chemotherapy by MDT; Leukocyte ≥ 3*109/L; Neutrophil ≥ 1.5*109/L; PLT ≥ 100*109/L; Serum AST/SGOT or ALT/AGPT ≤ 2.5 times of upper limit of normal (UNL) range Serum creatinine/BUN ≤ upper limit of normal (UNL) range; No dysphagia, be able to take the Danggui Buxue Decoction(DBD) Written informed consent according to the local ethics committee requirements. Has ECOG Performance Score 0-1;

Exclusion Criteria:

Metastatic breast cancer; Family history of endometrial cancer or any other kind of gynecologic cancer; Patients with severe co-morbidity that indicate intolerant to adjuvant chemotherapy; patients with psychiatric disorder or other diseases leading to incompliance to the therapy; Known severe hypersensitivity to any drugs in this study; Prior adjuvant chemotherapy of any kind cancer; Hematologic disorders relative to aplasia