Abstract :
The background of this research is based on the assumption that politician likes to hide their true point of view to gain the major support in their political discourse which is possibly to cause the ideologies of the politician being hide. This research is aimed to analyse the discourse structures leads to the ideologies discovered from Joe Biden in his second United States Presidential Debate in 2020. The theory of Critical discourse analysis of Van Dijk has been applied in this research to show the discourse structures from macrostructure consists of topic element and microstructure consist of meaning, structures, word choices, and how to use language elements then combine with superstructure as the scheme to discover the ideologies through the ideologies scheme by Van Dijk to get comprehend understanding. To confirm his ideologies fact checking has done through the medias report. Source of data in this study is from the video of Joe Biden second 2020 presidential debate from Youtube and transcript of the video from USA Today website. The result of this research are 1) Critical discourse analysis elements do exist in the discourse; 2) Transparency, freedom, and individual rights are the main ideologies contained in the discourse and Joe Biden does not hide his ideologies as politician.