After treatment, the five-year survival rate of middle and late-stage breast cancer is about 30%~80%, which should be analyzed in the light of the condition. Breast cancer is one of the most common malignant tumors among women, mostly caused by genetic factors. For mid-stage patients, surgical resection can be adopted, supplemented by radiotherapy and chemotherapy after surgery; while in late stage, due to the occurrence of distant metastasis and the poor physical condition of patients, endocrine therapy, radiotherapy, chemotherapy and other methods are mostly adopted to control the disease. After active treatment, middle and late-stage breast cancer can obtain a five-year survival rate of about 30%~80%, and the prognosis is better if the staging is earlier and the patient has a high degree of tolerance to the treatment. After surgery, patients should pay attention to regular checkups to detect recurrence in time and prolong survival time. Breast cancer patients are advised to stay optimistic, cooperate with doctors to receive treatment, and do not take medication without authorization or believe in “biased prescriptions” to avoid delaying their condition.