1.The best way to prevent breast cancer —- to attend breast screening. Since the cause of breast cancer is still unclear, the best measures to prevent breast cancer are to avoid factors related to the occurrence of breast cancer, establish a healthy lifestyle, actively treat benign breast diseases, and attend breast screening regularly. 2.Early detection. Early diagnosis. Early treatment. Improve the efficacy of treatment and reduce the mortality rate. The mortality rate of breast cancer is related to the early and late detection of the disease The cure rate of stage I breast cancer: over 90%.