There is no effective vaccine to prevent breast cancer, so there is no such thing as the optimal age, which is different from cervical cancer. Cervical cancer now has the HPV vaccine, also known as the human papillomavirus vaccine, this HPV vaccine is generally before marriage, that is, between the ages of 9-25 years of age of women to play are possible. After marriage, if there is no HPV infection, this situation is also possible to play. For breast cancer, it is usually prevented through regular health checkups and early detection and treatment of any problems. If unexplained breast lumps are found, they must be taken seriously. If the grade of color ultrasound or molybdenum target is above grade 4, it suggests that there is a possibility of malignant lesions, and further pathological examinations need to be taken to confirm the diagnosis. After diagnosis, breast cancer can be treated with surgery, mainly radical surgery, and after surgery, with radiotherapy and other comprehensive treatment. Generally speaking, early detection and early treatment will have a better effect.