This study focused on the adjustment of family living culture in relation to women who have immigrated for marriage. Specifically, it sought to determine how Vietnamese immigrant women understand and adapt to the culture of family life in Seoul, Korea. The investigation was conducted from 2 May to 30 May 2014, with 28 Vietnamese immigrant women as participants. Personal, family, social, and cultural factors affecting family life and culture were considered. It was determined that Vietnamese women can easily adapt to life in Korea to provide; the results of the material analysis are described below. First, Vietnamese immigrant women are satisfied with their economic life in Korea. In Vietnam, women have the right to marry Korean men if they want to. Vietnamese women are encouraged to marry want to marry a Korean man. Because they are satisfied with the present marriage. Second, migrant women learn to adapt to South Korean culture and food. However, cultural differences between a woman's husband and mother-in-law can become a source of conflict. Third, children of multicultural families easily accept Vietnamese people, since they are educated to do so through their Vietnamese mothers Vietnamese woman wants to teach their children the Vietnamese food and culture. Fourth, the Vietnamese immigrant women also participate in multicultural family support centers and communities. They want to become productive members of society through employment opportunities in South Korea. Fifth, the cultural and welfare policies of the government should be carried on so that migrant women are able to study cultural adaptation. This case study examined difficulties that Vietnamese immigrant women have in adjusting to life and culture in Korea. The findings could be used as a resource to help Vietnamese women living in Korea.