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;