The network community has evolved from a single，closed virtual community to the shareable，open social network. While retaining the community access threshold，it also retains the characteristics of high interaction between users and platforms. Many content online platforms focus on platform-community management for network generation（grow with use network）’s sensed of belonging. BILIBILI has Maximum proportion of network generation as the Internet culture community，the ultra-young user attributes have also established a different communication mode from traditional content video websites. As a typical representation of profession-segmentation，BILIBILI next stage will focus on building a new ecology of future media communication.