Breast cancer as one of the high incidence of cancer in women,postoperative chemotherapy is one of the most impor-tant anti-tumor treatment,this article from the pathogenesis of breast cancer in Chinese medicine,chemotherapy injury theory,auricular treatment of TCM basis and characteristics,auricular therapy in the prevention and treatment of breast cancer postop-erative chemotherapy side effects of the status quo,etc,the aim is to provide reference for the prevention and treatment of postoperative chemotherapy toxicity of breast cancer.