Affirmative action was specifiied in 1964 by president Johnson’s adminitrative order. After civilize movement, the public opinion for amelioration of racial discrimination environment had arouse, and affirmative action was reflection of that kind of spirit. There were many resistenc from white majority group after Reagan administration.But the resistence toward affirmative action was originated from the self defense in social resoure competition, rigid conservative value, and the lack of recognition toward the environmental and cultural situation of minority group. So the affirmaive action should reflect the social circumstance and demand within the boundary of social justice, and pursuit of diversity.