化疗是恶性肿瘤综合治疗的重要手段 ,但目前对大多数晚期实体瘤的疗效仍不理想。研究表明 ,增加化疗药物的剂量强度和采用高剂量化疗 ,可提高一些血液系统恶性肿瘤的疗效。对恶性实体瘤 ,许多学者也进行了深入研究。现将有关剂量强度和高剂量化疗在乳腺癌中的研究结果介绍如下 Chemotherapy is an important means of comprehensive treatment of malignant tumors, but the current efficacy of most advanced solid tumors is still not ideal. Research shows that increasing the dose of chemotherapeutic drugs and using high-dose chemotherapy can improve the efficacy of some hematological malignancies. For malignant solid tumors, many scholars also conducted in-depth study. Now on the dose-intensity and high-dose chemotherapy in breast cancer research results are described below