Seventy-eight-year-old woman suffering from breast cancer can be treated with general treatment, surgery, endocrine therapy and adjuvant therapy as appropriate. 1. General treatment: attention should be paid to rest, ensure sufficient sleep, and avoid exertion. 2. Surgery: it is the main treatment method. According to the patient’s condition, modified radical mastectomy, radical mastectomy, total mastectomy, axillary lymph node dissection, etc. should be performed. 3. Endocrine therapy: it is suitable for patients with high estrogen receptor content in breast cancer cells. It mainly uses drugs such as tamoxifen for treatment. 4. Adjuvant therapy: including chemotherapy, radiotherapy and targeted therapy. It is recommended to consult a doctor in time, according to the patient’s condition under the guidance of the doctor to choose the appropriate treatment program. The use of specific drugs should be under the guidance of the doctor.