Abstract: Breast cancer is a serious impact on women's physical and mental health and a life-threatening common disease.Imaging examinations have great significances in diagnosing and evaluating curative effect on breast cancer.This article aims to introduce and comprehensive the value of diagnosis and curative effect evaluation of breast cancer in the context of imaging examinations(ultrasonography, mammography, breast CT, breast MRI, breast ⁹⁹Tc^m-MIBI imaging, PET, PET-CT, etc).