The objectives of the research were: 1) to study the concept, history, perspective, relationships and process of communal consciousness through Songkran tradition; 2) to study social relationship and ASEAN Socio-Cultural Community on Songkran tradition and 3) to analyze the process of building of communal consciousness and ASEAN Socio-Cultural Community through the Songkran tradition. The research found that the concept, history, perspective, relationships and process of communal consciousness of the ASEAN Socio-Cultural Community established to create for peace in ASEAN society in order to have political stability and economic prosperity, social and cultural. The social relationship and culture of the ASEAN Socio-Cultural Community on Songkran tradition found that the relationship between human beings, the relationship between cultures must be relied in both sciences and Arts in order to strength and understanding each other. Process of building of communal consciousness of the ASEAN Socio-Cultural Community through the Songkran tradition found that it is the strength of love, reconciliation of family, community and country in order to make more strength. It was to create the national security through government policy to be determined a national holiday in order to make people have communal consciousness on Songkran tradition.