Treatment of anemia in the elderly at age 80 is based on the cause, and common causes include bleeding, nutritional anemia, hemolytic anemia, aplastic anemia, and anemia caused by chronic diseases. Treatment mainly includes medication, surgery, blood transfusion and treatment for the primary disease. Bleeding: it can be caused by many reasons, and the main treatment is blood transfusion and hemostasis. 2. Nutritional anemia: anemia caused by lack of nutrition and insufficient raw materials for hematopoiesis, such as iron deficiency anemia, anemia caused by folic acid or vitamin B12 deficiency, which can be supplemented with iron supplements such as iron dextrose, as well as folic acid, vitamin B12, and so on. 3. Hemolytic anemia: can be caused by a variety of reasons, such as thalassemia, severe blood transfusion treatment, if necessary, surgical treatment of splenectomy. Autoimmune hemolytic anemia can be treated with hormonal drugs such as dexamethasone and methylprednisolone. 4. Aplastic anemia: immunosuppressant cyclosporine A combined with androgen therapy, commonly used androgens, including stanozolol, testosterone undecanoate, danazol, testosterone propionate, etc., if the anemia is severe, blood transfusion therapy. 5. Chronic diseases: commonly include infections, tumors, chronic renal failure, cirrhosis, and systemic lupus erythematosus, which need to be treated for the cause of the disease and control the primary disease. Elderly 80 years old anemia can also be seen in other causes, it is recommended to go to the hospital in a timely manner, a clear diagnosis of the cause of the disease, under the guidance of the doctor to carry out effective treatment, the above drugs should be used under the guidance of a doctor.