With the development of network technology and information society, social media has become a popular platform that users in increasing numbers choose to use. As a new way of life, it changes the way people think and behave. Social media also continues to exert a greater influence. Therefore, this paper is based on the popularity and usage of social media in the current post-truth era, it aims to study the relationship between social media and the post-truth era, especially for news dissemination plus its impact on audiences. By discussing these questions to discover the problems of social media in the post-truth era, such as fake news, algorithmic influence and changes in audience psychology. Furthermore, proposing some optimization measures from three aspects of social media companies, traditional media and audiences, including technical measures, news production methods and user behaviors in order to create a more rational, professional and accurate information access platform for the audience.
Su Yan (Sat,) studied this question.