Breast cancer is the most common malignant tumor in the world,which brings the heavy physical and mental afflictions to patients. Internet-based cognitive behavioral therapy is a new type of internet medical method that employs the internet platform to give patients cognitive behavioral treatment,in order to reduce the physical and psychological burden of patients. This review introduced the advantages of internet-based cognitive behavioral therapy,application of this method in breast cancer patients in other countries,and proposed the future exploration focus of internet-based cognitive behavioral therapy,so as to provide a reference for our country to carry out related studies.