The breast cancer dataset is a crucial resource in the fields of scientific research and medicine. This dataset encompasses a wealth of information related to breast cancer, including clinical characteristics, gene expressions, treatment modalities, and more. Researchers and medical professionals can gain in-depth insights into the pathogenesis of breast cancer, identification of diagnostic markers, and the development of personalized treatment plans by analyzing this dataset. This document provides a detailed introduction and sharing of the breast cancer dataset, facilitating the advancement of academic research and medical practices.