This study examines the first, second, and third basic plans for multicultural family support policies. The change process is classified into policy promotion system, international marriage, marriage immigrants, multicultural families, and multicultural acceptability, and the purpose is to suggest problems and improvement plans accordingly. Accordingly, the necessity of a control tower, supplementation of post-management policy for international marriage damage, expansion of educational support for spouses of marriage immigrants, expansion of discretion of Healthy Family· Multicultural Family Support Center, and improvement of multicultural acceptance education were suggested as improvement points.