By examining the discourse of social currents in contemporary Iran, one can distinguish between traditional and political discourse in the face of the Ashura event. Traditional discourse emphasizes its individual effects by emphasizing the emotional aspects of the events of Karbala, and political discourse, while using emotional elements, focuses mainly on its political perceptions and social effects, and seeks revolutionary features within it. A historical look at these two approaches shows that the formation of political discourse does not have a long history and its emergence should be sought in the post-constitutional events, which undoubtedly Imam Khomeini has played the greatest role in this direction. Therefore, this article has tried to examine how the political discourse of the Ashura event was formed in the contemporary era with emphasis on the thoughts of Imam Khomeini. In this regard, using historical books and sources, analysis and study of information is collected and with the framework of the theory and method of analysis of Laclau and Mouffe discourse, the hypothesis is emphasized that socio-political developments change the identity of the central signs of political thought of Shiite scholars and As a result, political discourse has been formed since Ashura. The findings of this article show that in political discourse, concepts such as enjoining the good and forbidding the evil, piety and waiting for the vulva are elaborated around the central sign of struggle and uprising in the political discourse of Ashura, while in traditional discourse these concepts revolve around the central sign of worship. They were elaborating.