Recently,the incidence rate of small cell lung cancer in elderly patients has been increasing . The mainly therapeutic approach of small cell lung cancer consists of radiotherapy ,chemotherapy and surgery ,with the treatment purpose of prolonging survival time and improving life quality .As the huge development of accurate radiotherapy technology occurred in the past a few years ,radiotherapy could play more and more important roles in the treatment with elderly patients .Yet,there is no unified standards of treatment for small cell lung cancer in eld-erly patients.Therefore,we give a review on the latest processes and research on the treatment of small cells lung cancer in elderly patients .