As the researchers on logical fallacy seen from critical discourse analysis perspective has been immediately conducted, this research is aimed at filling this gap. This research reveals the issue of logical fallacy that becomes the problem in the society in Kamal Mahmud’s Speech. Applying qualitative methods by Van Dijk's Critical Discourse Analysis Framework, this research focuses on the speech from the TED Talk youtube channel delivered by Kamal Mahmud in 2021 which has been heard and watched by 1,534 people. The study collected data by using a three-level analysis of the Socio-Cognitive approach by looking at the text's overall issues and aims as well as its organizational structure. The finding of this study flawed thinking in the media and political discourse has influenced human social life in representing their life choices. Therefore, it is crucial to study them in greater depth, making it important to analyze how flawed thinking can be resolved and corrected to prevent cognitive errors across all levels of society.