The aim of this study is to confirm the effect of the experience of media education and the media literacy, the ability to understand and use media rightly. In the research results in this study, the experience of media education has a positive effect on the critical thinking disposition. Especially, the experience of media education in school influences all constituents of the critical thinking disposition positively and the experience of media education in home also does the constituents except for only truth-seeking positively. The industrial motivation, one of factors of the media literacy, has influence on all constituents of the critical thinking disposition, and the technical use ability, one of them, does the constituents except for systematicity. And inquisitiveness, objectivity, systematicity, and self-confidence of the critical thinking disposition are affected by the self-expression of the media literacy. The media audience factor has open-mindness, systematicity, and self-confidence of the disposition, and the media language factor does truth-seeking, open-mindness, and objectivity.