Several new laws and institutions to address the Phenomenonen caused again by influx of foreigners since 90 and increasing migration reasons hindering citizens in Korean society, be adopted and enter into force. Still, there are the laws so that laws lack responsiveness in fact repealed because they are either out of date or adopted only improvised without consensus. Because of the gap between Realtitat rights institution and advised both law and legal addressees performers in the difficulty, or to follow and execute. Change of foreigners to nationals by the method according to the Nationality Law does not have a complete change of status on all the area, but only acquiring rights to the public domain. To live together with the original citizen on the field all life needs the immigrant reasons for a long time and tediousness. Migrtationsrecht should be reworked to integrate origin citizen and migration background citizen. Growth of foreigners and new citizens bring out a fundamental change in the Korean society. The legislature must observe the changing situation and react time moderately on the future. The focus of migration laws and institutions should not placed on the control, but on the koexsictence to make the Korean society peaceful and sustainable progress.