How long breast cancer can live needs to be judged based on a combination of factors such as disease progression, tumor stage, differentiation and treatment effect, mainly related to tumor stage and treatment, and the overall 5-year relative survival rate is 89.8%. Breast cancer can be divided into non-invasive cancer and invasive cancer according to pathological histotyping. Non-invasive carcinoma: i.e. carcinoma in situ, also called “stage 0 carcinoma”, refers to the lesion is only confined to the primary site without metastasis, and can be cured permanently with active and effective treatment, with a 5-year relative survival rate of 98.8%. II. Invasive cancer: according to TNM staging criteria, it can be divided into stage I, stage II, stage III and stage IV. 1. stage I: early stage, small tumor, no metastasis yet, good prognosis after timely surgery, 5-year survival rate is 85.5%, longer survival time, some can even survive 10-20 years; 2. stage II: tumor >2cm or axillary lymph nodes have been affected, but no further spread, 5-year survival rate can reach 70%. The 5-year survival rate can reach about 70%; 3.Stage III: tumor >5cm or axillary lymph node enlargement and fusion, and adhesion with surrounding tissues, if timely and effective treatment, the 5-year survival rate can reach about 35%; 4.Stage IV: that is, advanced stage, most of the patients have distant metastasis from other organs, the disease is heavy at this time, treatment is mainly symptomatic treatment, survival time is only 1 year in some cases. The 5-year survival rate is only 27.4%. In addition, the patient’s compliance, emotion and physical condition are also related to the survival time. Therefore, patients must be detected early, diagnosed early, treated early, and maintain a good state of mind, cultivate more hobbies, cultivate emotions, carry out appropriate physical exercise, strengthen nutrition, enhance immunity, and maximize the survival period.