The study’s aim is to analyzes the cultural differences of foreign migrant workers in South Korea who participated in leisure sports activities on the basis of qualitative method. Moreover, the study proved cultural and unique phenomenon from foreign migrant workers who experienced in leisure sports activities in South Korea. As a result, meaningful conclusions have become in this a research. Firstly, they had embraced a new Korean culture that values group activity such as getting a drinking time with group members after work or sports. Second, they had experienced ‘time and financial constraints’ while participating leisure sports activity. Third, they felt a sense of cultural alienation in the sports field from their culture such as ‘the flamboyance of Koreans on the sports field’ and ‘their excessive interest of sports equipment .