Understanding of the future generation of the nation’s cultural values, increasingly eroded by new values that are inconsistent with national identity. Horizontal conflict triggered by a variety of characteristics of multiculturalism society, diversity of ethnicity, religion, race, class, and social conditions are still characterized by regional conflicts. 22 Globalization changes values, mindset, attitudes and patterns of young generations as well as various national issues which significantly affect the national cultural order. Science and technology development impacts directly or indirectly on existing national socio-cultural values. The comprehension of young generation related to the values of Pancasila, the Constitution 1945, Homeland, and advice of Unity in Diversity is increasingly decreased by the rush of new values that are inconsistent with national identity. Degradation of the noble values of Indonesia has influenced the decline of nationalism, patriotism and love of the homeland for citizens in strengthening the unity of the nation. Separatism is still a security issue which threatens national sovereignty, and territorial integrity of Indonesia. Separatism is executed through political movements and armed by exploiting the weaknesses of the implementation of governmental functions. Domestic security handling as a result of horizontal conflict is triggered by the diversity of culture, ethnic, religion, social class, as well as social conditions which characterize the conflicts and occur in certain areas.