The purpose of this study is to investigate the effects of inter variable differences and socio-cultural adaptation factors on the social and cultural adaptation, child rearing attitude and parenting efficacy of married immigrant women. The research results are as follows. First, the sense of parenting efficacy was higher than that of married immigrant women and child rearing attitude. And the socio-cultural adaptation factors and parenting efficacy factors of marriage immigrant women showed differences according to their level of Korean language and length of stay in Korea. Second, the explanatory power of the regression model was 46.1%, which was significant at the p<.001 level. The conclusion of this study is as follows. First, support was needed so that marriage immigrant women could improve their Korean level and adapt to society and culture. Second, for the education of children of multicultural families, the mother's socio-cultural interest should be prioritized. Third, although multicultural education is conducted in various ways, various support for the education of children of marriage immigrant women is necessary.