乳腺癌是女性最常见的恶性肿瘤之一,其分型的多样性与临床治疗密切相关.近年来随着分子生物学的快速发展,乳腺癌的治疗进展迅速,效果显著,但治疗方案产生的耐药仍是临床一线治疗最常遇到的问题.本文就不同类型的乳腺癌及其临床特征进行了分类分析,针对不同分型的治疗方案和耐药机制进行了总结和探讨,旨在通过研究治疗的分子机制和可能存在的耐药机制,对临床治疗起到引导作用.“,”Breast cancer is the second leading cause of cancer death in women.The diversity of its classification is closely related to clinical treatment.In recent years,with the rapid development of molecular biology,great progress has achieved in breast cancer treatment,but drug resistance is still the most common problem in first-line clinical treatment.In this paper,we study on the different types of breast cancer and their characteristics,as well as discussing different treatment options and drug resistance mechanism.We hope that we can provide guidance for clinical treatment of breast cancer.