In the dissertation work the theoretical and applied research of legal nature of pre-election agitation during elections of deputies of parliament in Ukraine and foreign states is carried out. The paper identifies that campaigning is an important element of the election campaign, and it is characterized by the following features: 1) has a constitutional and legal nature, 2) is mainly purposeful activities, which includes the formation of the will of voters and encourage them to participate in elections and to vote for one or another political force or individual candidates; 3) has a political character; 4) is carried out by certain entities, clearly defined by law; 5) is a stage of the election process and covers a certain time frame; 6) may be carried out in any form and by any means that do not contradict the Constitution of Ukraine and the laws of Ukraine. It is concluded that election campaigning is a multifaceted, complex constitutional and legal phenomenon, which is more fully revealed if it is considered in various practical and pre-ideological discourses and evaluate this phenomenon in terms of form, content and essence. The relationship between election campaigning and political and social advertising and the institution of election information support has been studied. It is defined that political advertising should be considered as information about a political party or individual politicians at the national or local level, disseminated in any form and in any way, which aims to directly or indirectly draw attention to the subjects of the political process, to form or to maintain citizens' awareness of them and to direct the political behavior of citizens to support such subjects of the political process in public life, in particular, during elections (referendums), and social advertising as information of any kind disseminated in any form that aimed at achieving socially useful goals, the promotion of universal values and the dissemination of which is not intended to make a profit or draw attention to the political process in Ukraine and direct the political behavior of citizens to support certain political actors in public life during elections ( referendums). The main criteria that distinguish campaigning from voter information are the purpose, nature, content, actors, actors, timelines for campaigning and election support. The paper describes the various forms and means of campaigning in the parliamentary elections provided by the Electoral Code of Ukraine, reveals the role of the media in this process, analyzes the limitations of campaigning, conducted a comparative study of foreign experience in campaigning in parliamentary elections.
