As the aged society comes with a gradually aging population, the government will have to demonstrate an outstanding performance and offer care, Besides, the benefit of the senior citizens welfare has to establish the system toward the law acted. In the items of the main policy of the senior citizens welfare, the present National Health Insurance Program and the future Old Age Pension are the proper examples. The economic safety and medical needs are the two items of the necessities of the senior citizens welfare services. Prior to the implementation of the Old Age Pension, the main interest of this study is to explore the effect of the present National Health Insurance Program on finance burden and medical care demand of the senior citizens. By the collection of the secondary data and the analytical result of the examples from the point of the senior citizens welfare, combined with the present social welfare, social insurance, medical insurance and so forth, we draw out the suggestions with regard to the policy and goal.