Digital virtual technology with media survival as an important representation, with the rapid development of the new media technology represented by the Internet, digital virtual technology with its entertainment, personalized service, open sharing of content, form of real-time interaction and other characteristics strongly attract the young group. In the digital virtual era, teenagers’ digital media literacy has not only become one of the essential qualities for them to cope with global competition, but also an essential quality for college students to realize lifelong learning. Therefore, it is not only necessary but also urgent to carry out systematic digital media literacy education for adolescent groups. This study first discusses that the typical illegal phenomenon in the network is the problem caused by the lack of network legal awareness, and analyzes the level of media literacy of the subject media in these cases and whether the network legal awareness is weak. Finally, from the perspective of school education, social publicity and national system support, this paper puts forward some Suggestions on how to improve teenagers’ media literacy and cultivate their network legal literacy, so as to create a harmonious network environment. Establish a scientific and reasonable indicator system of youth network literacy, and build a youth network literacy training mechanism.