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Adolescent is an important period in human life cycle. The fulfillment of optimum nutrition is needed during this period to prevent the continuity of nutrition problem in the next phase of life. Nutrition problem arise during adolescent period such as the disruption of nutrition balance due to unhealthy eating habits. The objectives of this study was verifying the effect of nutrition education based on multi-media approach to improve nutrition knowledge and unhealthy snacking habit in teenagers The methods used in this study was Quasi-experimental with total sample for each group were 26 respondents. Sample was divided into two groups, treatment group received multi media-based nutrition education while control group received general health knowledge. This study is using total sampling method to determine the respondents. The results of this study showed 46.2% respondent from treatment group showed improvement in nutrition knowledge post-test score. There is significant difference between pre-test and post-test result of the treatment group (p<0.05). There are 13 respondents with improved nutrition behaviour score, regarding unhealthy snacking habits, after receiving multi media-based nutrition education. There is significant difference in pre-test and post-test result of the treatment group (p<0.05) We conclude that nutrition education based on multi-media approach contributes to more promising effect on improved nutrition knowledge and unhealthy snacking habit in adolescent than single media approach.