B a c k g r o u nd. The article critically examines the concept of peace in the context of the Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance. This study delves into the historical, diplomatic, and philosophical dimensions of the Treaty between the Soviet Union and the People's Republic of China in the mid-twentieth century. M e t h o d s. The study is based on a systematic analysis of the original documents of the Sino-Soviet Treaty and (...) other primary sources that record the context and content of the agreement. The article uses a comprehensive analysis of primary sources, diplomatic correspondence, political discourse, and philosophical narrative to illuminate various interpretations and implementations of the treaty's peace provisions. Analyzing the philosophical basis of the agreement, it is taken into account how the ideas and concepts of friendship, union and mutual assistance were interpreted in the philosophical context of both countries. The article uses methods of comparative analysis to establish common and distinctive features between the ideology of the Sino-Soviet Treaty. Re s u l t s. The study provides valuable information about the geopolitical dynamics of the 20th century, shedding light on how the two major communist powers managed their diplomatic relations. By examining the ideological underpinnings and practical implications of the Treaty's peace-oriented provisions, the article contributes to understanding the broader landscape of international relations in this dynamic period. C o n c l u s i o n s. The study provides important information about the geopolitical dynamics of the 20th century, revealing how the two leading communist states managed their diplomatic relations. The article also considers the prospects for the development of dynamics between the Soviet Union and the People's Republic of China, examining the difficulties and problems that arose in maintaining peaceful relations between powerful states with common political ideologies based on the principles of Marxism. Analyzing the ideological foundation and practical consequences of the peacekeeping principles in the treaty, the article contributes to a better understanding of the broad context of international relations and philosophical narrative. (shrink)