乳腺癌是妇女中十分常见的恶性肿瘤 ,我国虽为乳腺癌的低发区 ,但近年来发病呈上升趋势 ,已成为影响妇女健康的主要因素 ,防治乳腺癌的重要性已日渐突出。本文通过对江苏省苏南地区女性乳腺癌的危险因素进行 1∶1匹配病例对照研究 ,分析苏南地区乳腺癌的主要危险因素 ,并探讨其 Breast cancer is a very common malignant tumor in women. Although China is a low-risk area of ​​breast cancer, its incidence has been on the rise in recent years and has become a major factor affecting women’s health. The importance of preventing and treating breast cancer has become increasingly prominent. In this paper, a 1:1 matched case-control study of risk factors for female breast cancer in southern Jiangsu Province was conducted to analyze the main risk factors for breast cancer in southern Jiangsu and explore