The aim of this study was to investigate the recognition on the national health insurance and the actual condition of denture among the elderly in Seoul city. This survey was performed on 710 of the elderly aged over 60 years and visited the senior welfare centers. The recognition of the elderly on the national health insurance of denture was 61.7%, but there was a low recognition on the details. The elderly had started using dentures from 66.24 years old. The average used period of the past denture was 7.09 years. In conclusions, the provider is required to promote the insurance coverage of denture to increase the coefficient of utilization of the elderly. Also, further studies for the extending coverage of the details are needed.