According to current clinical statistics, the five-year survival rate or clinical cure rate of early-stage breast cancer can reach 80%-90% or even higher after timely radical surgery and with comprehensive post-operative treatment. As the most common malignant tumor in women, the causes of breast cancer are mainly related to obesity, high-fat diet, early menarche, late menopause, and a certain degree of family heredity. For breast cancer, early detection, early diagnosis and early treatment are needed clinically. The prognosis of breast cancer mainly depends on the stage of the disease and the type of pathology, generally speaking, the earlier the stage, the higher the overall cure rate. For early stage, that is, clinical stage I according to TNM, the clinical cure rate or five-year survival rate can reach 80%-90% or even higher.