ENThe subject of this article thesis is Polish-Russian diplomatic relations in the early years of the reign of Wladislaw IV Vasa (1632–1635). The thesis focuses on the diplomatic activities conducted between the two countries during the Smolensk war in the years 1632–1634 and immediately after the end of the war. A particularly important issue is the Polish and Russian envoys exchanged in order to ratify peace of Polyanovka.