The so-called network video, network video refers to a technology or application of visual chat using IM tools such as QQ and MSN as terminals. Network video generally needs an independent player, and the file format is mainly FLV streaming media format based on P2P technology, which takes up less client resources.

Network video refers to the online video playback service provided by video websites, which mainly uses video files in streaming media format. Among many streaming media formats, flv format has become the main file format of network video because of its small file size and less client resources. (Li Yuze. China network video classification exploration [J]): From the perspective of network technology, network video refers to "the file content of play online, which is mainly composed of WMV, RM, RMVB, FLV and MOV and can be accessed by mainstream players such as Realplayer, windowsMedia, Flash, QuickTime and DIVX. (Yu Zhuo. The Construction of Youth Values under the Background of Consumerism —— Taking American Consumerism Period as an Example [J] Theory, 2006, 10. Another scholar believes that "online video is a video resource spread on the Internet, which in a narrow sense refers to online movies, TV series, news, variety shows, advertisements and other video programs; Broadly speaking, it also includes self-portrait Dv short films, video chats, electronic games and other behaviors (Wang Run. From the perspective of media culture, the communication phenomenon behind the "not bad money" funny video craze [J]. Science and technology for development, 2009, 9. ) ".