This study aims to explain the effort of Sports Diplomacy by South Korea and North Korea in order to promote peace. In this study, the researcher conducted research from various legitimate sources to support this research. The researcher methods are by did library studies and website searching. Using the theory of soft power by Joseph Samuel Nye, this research findings proof that sports diplomacy has become a soft diplomacy tool that accepted by South Korea and North Korea to ease tension, promote stability, tolerance, and reconciliation between the two countries. Therefore, the two Korea continuously did sports exchanges to improve the sports diplomacy effort on the Korean Peninsula.