Abstract: Internet is the main way for teenagers to obtain information, which has a profound influence on the values and learning styles of teenagers. Strengthening the research on teenagers’ network behaviors and grasping the characteristics of teenagers’ online behaviors as a whole is the essence of strengthening and improving teenagers’ work at present, and it is the inevitable choice to cultivate promising young people who take on the responsibility in the new era. China Internet Network Information Center (CNNIC) published seven special reports on network behaviors among Chinese youth from 2007 to 2015, providing data support for deeply digging and summarizing the characteristics of teenagers’ online behaviors, and providing basis for targeted strengthening and improving teenagers’ education and guidance.