Propaganda activity against the regime in Iranian law is one of the important crimes under the examples of crimes against the internal and external security of the country, which is highly sensitive due to the conflict between the aforementioned crime and the government and sovereignty. In a way, in English law, while maintaining fundamental principles such as freedom of expression and adjusting approaches and criteria, it has been able to appear successful by resolving the conflict of interests between individual rights and sovereignty in dealing with this category of crimes and preventing the conviction of individuals who are critical and sympathetic to the political system and governance. The present study, which is developed with a descriptive-analytical method and with the aim of clarifying the desirable approaches and criteria for the crime of propaganda activity against the regime, in a comparative manner between Iranian and English law, concludes: The approaches in dealing with propaganda activity against the regime are in two ways: dignity-oriented and control-oriented, with English law following the first method and Iranian law following the control-oriented method. Also, the criteria for criminalizing propaganda activity against the regime in Iranian law are very basic and vague, so that judicial authorities can easily, given that the aforementioned crime is classified as an absolute crime, have a broad interpretation and can prosecute any behavior, even criticism. Finally, according to comparative studies, criteria such as: the co