The Use of Social Media “Hashtag” Function and Media Preference Based on the Behavioral Motive of College Students

In order to understand the influence of college students' motivation on the use of some social media functions of different social platforms, the commonly used social platforms of college students are analyzed, and the "Hashtag" function is interacted through artificial intelligence technology, so as to realize the relationship between college students' psychological behavior, the use of social media "Hashtag" function and media bias.The results show that Wechat, microblog and QQ are the most popular social platforms at present, and college students can get more information from the platform to further complete their communication tasks.Therefore, the research on the use of social media "Hashtag" function and media bias based on college students' psychological behavior motivation is of great significance to the study of college students' social psychology and media bias.