Security of the Republic of Korea deteriorate at the present time. There are many people who are involved in anti-state activities, the time trace of public opinion on various social issues. Nevertheless, the expansion of the national consciousness of these foolish and weak understanding of security, are the obstacle to a peaceful resolve not only the union of North and South Korea, but also the development of the Republic of Korea. It is precisely because we are in a constant changing situation on the hearth of the division of Korean Peninsula, and the intractable conflict between the two Koreas. In such a situation we are depending on that, we have no choice, because our future depends. In this sense, the social role of national merit at the Unification of Korean Peninsula is of great importance. Thus, we must establish conditions so that our national merits must be received by experience his life for our future generations. It is very important not only to participate in the improvement of the Unification of Korean Peninsula, but also to improve self-esteem most national merits of the Republic of Korea. However, there is not an obstacle for significant to maximize the role of national merits in the process of implementing the Unification of Korean Peninsula. The first is the aging of national merits. Tracking of this situation, we need to pay great attention to the fact that increase the level of health and welfare of national merits. It is precisely because it reduces the possibility to transmit their experiences of life, which are accumulated during colony of Japanese imperialism and The Korean War. Secondly, there is a problem on the lack of understanding about role of national merits at the Unification of Korean Peninsula. We need to increase research on the The role of national merits at the Unification of Korean Peninsula. Finally, we can emphasize the low level of state financial support to national merits. Considering that our low level of respect and social support addressed to the veterans and military officials and the Patriots, we need a more active financial support to national merits.