Objectives: The purpose of this study was to investigate the oral health behaviors of multicultural family adolescents and native familyadolescents to use as the basis for the oral health care. Methods: The data included a subset of the Korean Youth Health Behavior OnlineSurvey, self-administered, targeting 72,435 middle school and high school students in 2013. The questionnaire was composed ofrespondents characteristics, oral eating behavior, drinking, smoking, oral health behavior, oral symptoms. Results: 1. 35.7% of themulticultural adolescents were bad economic level and 26.5% of the multicultural adolescents perceived their oral health status to be poorerthan native adolescents. 2. 51.1% of multicultural adolescents was 5 times more likely to intake milk and 15.5% of multiculturaladolescents cookie intake was higher than native adolescent. 3. 29.9% of multicultural adolescents always brushed their teeth more ina week than native adolescents. 4. Bleeding gums and oral odor symptoms in multicultural adolescents were 24.6%, 28.0% higherthan native adolescents. Conclusions: This finding suggests that the multicultural adolescent need health education including oral healthfood habit, oral health care, early dental visit for prevention, early treatment.