| With the rise of new media,great changes have taken place in the communication ecology of documentaries.New media provides new opportunities and challenges for the development of documentaries.From 2017 to now,the new documentary produced and broadcast by the video website has sprung up in cyberspace and quickly occupied the documentary market.Among many video websites,BILIBILI video website is unique and adheres to the preference of generation Z users for documentary production and dissemination.An in-depth investigation of the current situation of documentary communication on BILIBILI video website is not only conducive to observing the content production and consumption ecology of documentary in China,but also to analyzing the future creation trend of documentary;It is also conducive to understand the cultural needs of generation Z and optimize the path of mainstream culture leading youth popular culture;It is also conducive to explore the development prospect of commercial documentary content in China’s Internet environment.This research mainly uses the methods of content analysis,questionnaire,case study and so on.In the five years from 2017 to 2021,the documentaries on the Documentary Channel of BILIBILI video website were taken as the research samples,and the content,audience,production and platform operators of the Documentary Channel of BILIBILI video website were taken as the research objects.Combined with the author’s first-line production experience,the communication theory-"5W model" and "use and satisfaction theory" were used,and the research methods of combining qualitative and quantitative methods were used based on relevant data,This paper makes an in-depth analysis of the communication subject,communication channel,communication content and communication audience in the process of documentary communication of BILIBILI video website.The research analyzes the overall content and communication characteristics of BILIBILI video website documentary,that is,the flexible combination of multiple communication subjects driven by the market,the high dependence on the all media communication channels of the mobile terminal,the standardized communication content under the dual role of audience and technology,and the communication audience actively participating in the interaction in the personalized Z era.The survey found that: the media literacy of up owners is uneven;Big data distribution technology leads to "information cocoon room" effect;The content and theme are the sameThe tendency of quality and vulgarization is serious;The lack of matching between the communication content and the deep-seated needs of the audience.In view of the above problems,based on the relevant theories of "use and satisfaction",this paper puts forward the optimization path: bring the cultural function of documentary into the top-level design;Follow the law of communication and pay attention to the needs of the audience in the new era;Enhance the original ability and adhere to the diversification of themes and content;Enhance the capacity of documentary communication channels;Strengthen the support of documentary industry and help the creators grow;Keep in mind the attribute of "cultural products" and pursue the balance between business and culture;Improve the legal system of copyright protection of original content;Accelerate the development of media integration in the field of documentary. |