The purpose of the research. The choice of this topic is due to the fact that the issues of the state structure of Russia are constantly the subject of close attention of scientists. This is mainly due to the fact that there is a huge practical experience here, when virtually every period of Russian history represented something bright and new. These issues are the subject of close attention not only of domestic, but also of foreign scientists (Emons T., Thatcher I., etc.). The article is devoted to the analysis of the positions of all-Russian, national political parties in our country in the second half of the 90s of the XIX century. - October 1917. on the state structure of Russia. This period was filled with a number of important events that had a fundamental impact on them. For example, the economic renewal of the country in the capitalist direction, with an acute struggle against the remnants of serfdom; the Russian-Japanese War; the First World War; two bourgeois-democratic, one socialist revolutions; the transition from an absolute monarchy to a constitutional monarchy, a bourgeois republic, a Soviet republic; the emergence of various political parties. Results. The conclusion is presented that the overwhelming majority of all-Russian parties, the majority of national parties were supporters of a single, unitary state. Few people supported the federation, and even then very limited, carefully. Based on this, the position of almost all parties in relation to autonomy was also built. It was actually supported only in Finland, but with the emphasis on maintaining strong ties with Russia. Views on self-government, for or against, were actually equally divided. The evidence here, in particular, is that the program documents of seven of the 16 largest all-Russian parties do not actually contain any provisions on self-government. It is also important to conclude that the positions of the parties on the state structure have changed. Especially noted is the RSDLP, which after the October Revolution of 1917 became the leading, ruling party in our country, and chose for it a federal form of government. As you know, until February 1917 it advocated the right of nations to self-determination, a unitary form of Government, and broad self-government. Since February 1917, a clear course for the federation has been taken. First of all, three main scientific methods were used: dogmatic, historical, and comparative. The article is of interest to lawyers and historians-theorists and practitioners, and all those who are interested in Russian history.