In the article the authors analyze the essence of propaganda as a means of implementing ideological function of the state. It is noted that propaganda is a mechanism of spreading information persuasive influence in the interpretation and estimation of state power representatives. The structure of propaganda is determined: beneficiary of propaganda, subjects of propaganda, content of propaganda, channels of realization of propaganda, addressee of propaganda, feedback system. Types of propaganda are distinguished: political, axiological, educational, preventive. The authors come to the conclusion that the basic directions and the propaganda content are established in normative acts and the programs and organizational actions accepted according to them. Along with the implementation of propaganda, the ideological function is implemented by prohibiting or restricting propaganda or other dissemination of information that endangers the foundations of the constitutional order and is otherwise aimed at destabilizing the political situation in the State, as well as prohibiting the propaganda of ideas that may harm the foundations of morality and morality. The mass media are essential in carrying out propaganda. The State widely uses this resource on an equal footing with other actors to disseminate ideas of public importance and uses the services of various communication agencies. However, the state forms a legal framework for the mass media, their rights and limitations, which still determines the special position of the state in this process.