This study is for winning the sympathy of migrant laborers who are major in multicultural Korean society through searching for their lives, expanding argument for supporting social welfare service for helping migrant male labores’ adaptation of Korean society, and talking about practical meaning of multicultural social welfare. For this study, there were two Chinese men of Korean, two Indonesian migrant laborers, and two Vietnamese migrant laborers as subject and life historical method was chosen for the effective analysis of their lives. After completing half structural questionnaires based on interview of two migrant laborers and push-pull theory, interview fir six migrant laborers was conducted and the lives of migrant laborers were studied classified as life in homeland, Korea, and homecoming. Finally, the practical meaning of multicultural social welfare were discussed based on the result of this study.