The research objectives are 1. Finding a model of cultural integration among ethnic groups 2. finding a process of cultural integration among ethnic groups, 3. finding a function of integration in culture, education and economic among ethnic groups for the nation. The research methodology uses R & D, qualitatively and is equipped with FGD to obtain a model of inter-ethnic integration in West Sumatra. Sources of data on research are leaders and members of ethnic groups in West Sumatra, namely ethnic Javanese, Makassarese, Bataknese, Indians, Chinese, Sundanese, Acehnese, and Minangkabau in the ethnic residential areas of Padang. Data collection techniques are observation and interviews, and qualitative data analysis techniques. The results showed that the model of inter-ethnic integration through the management of culture, education and economic 2. the process of inter-ethnic integration through a jointly formed organization of nationalist integration forums. which for education comes through forming sister schools, while for culture through cultural performance and in the economy through entrepreneurship training. 3. integration through culture has resulted in respect to other ethnic groups, for education has resulted in improving knowledge and for economic prosperity in their community. These findings can be modeled in all provinces in Indonesia which will help to build national integration and strengthening national resilience. National integration in the socio-cultural, economic and educational fields has become the main focus in the activities of the FPK (Forum for Integration and Nationalism).