In modern times，the adolescents grow up in the Internet society，and the digital cultural life is an important part of their lives. From a multi-agent perspective，the current research takes short video clips as an example to study adolescents’ digital cultural life. Through a national sample survey of elementary，middle and high school students，and focus group interviews of parents in multiple places，the current study analyzed the characteristics of adolescents’ using of digital cultural products，such as short video clips，from the perspectives of both adolescents and parents. Meanwhile，factors affecting adolescents’ digital cultural practices were examined，including adolescents’ developmental stage，role model of parents，parent-child relationships and social networks. Finally，in terms of families，companies and the government，suggestions were given to positively guide the adolescents’ practices of digital culture.