Aim. The large-scale constitutional reform of 2020 influenced many aspects of state construction, economic and social life, and political existence in Russia but to a greater extent it affected the federal parliament - the Federal Assembly of the Russian Federation. This article considers the main aspects of the new constitutional level of Russian parliamentarism. Methodology. A comparative analysis of standard acts, the provisions of the Constitution of the Russian Federation and academic literature on Russian parliamentarism was carried out. Results. A certain progress was detected in strengthening the constitutional level of regulation of the participation of the Federation Council, the State Duma in state construction, in relations with the President of the Russian Federation and the federal executive branch, in the organization of the activities of the Chambers. Research implications. This study is aimed at resolving controversial and insufficiently regulated issues of building a new constitutional level of Russian parliamentarism.