In the era of new media, mediated information has become the main information resource for college students. Diversified media information has an important influence on college students' ideology, values and behavior. Therefore, the media literacy education of college students become inevitable in ideological and political education during the information age. China's media literacy education for students carries out late and does not get enough attention, thus the effectiveness is relatively poor. In this way, constructing and perfecting the system of college students' media literacy education has become an important subject. This paper puts forward the tentative plan to construct the media literacy education of college students from three aspects: target system, course system and evaluation system.