Korea has been among the world s most ethnically homogeneous nations. and Korean believe that they have a same ancestor named Dangoon. However, the word multiculturalism is increasingly heard in Korea and Korea is steadily moving toward a multicultural society because of Lowest birthrate in the world. industry of sports is not a exception of multicultural society. During the human history, sports have been transformed into a major human activities and paly a leading at an economic and social level in addition to the benefits they brings to the health of persons involved in th sports. Sports can draw various people who have different background under same interest so that people can share common understanding through sports events. This is confirmed by the millions of individuals participating in various types of physical activity and sports on a professional or amateur basis within the European Union. EU noticed the importance of sports in various fields so that sports law in EU has been developed through cases of ECJ and treaties. The one of great benefits of sports is power of integration under same sports or team sports. The Lisbon Treaty was signed by the EU member states on 13 December 2007, and entered into force on 1 December 2009. TFEU Article 165 expressly mention importance of sports and cooperation for encouraging sports activities. As Korea is about to be semi-muticultural society, the role and importance of sports have to be reviewed. For the integration of mulicultural society, it is time to enact Fundamental Act of Korean Sports and reorganize sports law area. However, we need to careful to allow foreign sportsman to get Korean nationality through naturalization process. the most import thing is to get consensuses and understand of Korean.