The following article aims to explain and ontology the theory of the revolutionary system as the most important conceptual structure in the statement of the second step and by asking the question, how is the theory of the revolutionary system articulated in terms of discourse? It has tried to, with the approach of discourse analysis of Lacla and Mouffe, The central signifier of the revolutionary system theory and some other signifiers and discourse characteristics of this theory have been recognized in order to be guided to a correct understanding of its concepts and symptoms in the superdiscourse of the Islamic Revolution. Islam and the system of jurisprudence is a central sign in the establishment of government and system building in the midst of the requirements of the contemporary era, and in this sign, Shiite jurisprudence is responsible for four basic special tasks for system building. The central sign of coherence and placed as an element of identity formation and becoming a part of the theory has been investigated. Revolutionary rationality can be a third way to solve the problem of structure-agent relationship and create a revolutionary subject. A subject who performs political action in a semantic system and by understanding the contexts of activism. Finally, some important moments and signifiers in the political thought of Ayatollah Khamenei, which have been mentioned among other things, create a discourse equivalence chain and The theory revolutionary system has been analyzed against Thermidorian approaches and western epistemology.