At present, the popularization rate of higher education has increased, and the world has entered a post epidemic era. The number of graduates has increased year by year, and they are facing the planning problems after graduation, making it more and more difficult to obtain employment. At the same time, social media platforms,i.e.,microblog are booming, and almost all college students have become users of social media platforms, and through these platforms, they can obtain employment and other related information. The purpose of this investigate was to explore the impact of social media information pushed on College Students' post-graduation planning (direct employment). In this paper, "Theory of Planned Behavior" model was applied, and Statistical Product and Service Solutions (SPSS) was applied for confirmatory factor analysis and structural equation modeling. The conclusion of this investigate was that the information pushed of social media platform had an impact on the planning (direct employment) of college students after graduation. The social media platform generated college students to have different attitudes towards employment by influencing their "persistent behavior control". This paper also put forward relevant suggestions on this issue.