Breast cancer is a major public health problem, ranking first in terms of cancer incidence and mortality among women in most countries.Certain factors increase the risk of breast cancer: age, obesity, alcohol, a family history of breast cancer and hormonal exposure.Breast cancer screening is currently based on mammography, which is the reference examination, coupled with ultrasound and even dynamic MRI in certain specific indications. In this book, we describe the epidemiology, risk factors and prevention of female breast cancer, based on bibliographic research.