The study examines cooperation between Russia and China in the field of ensuring the state defense and security in the context of contemporary military threats. The authors paid particular attention to the joint practical measures that allow developing Russian-Chinese cooperation in the military-political sphere and military-technical interaction. The authors analyze the managerial aspects of interaction and cooperation between the two countries in the field of state defense and security. The authors conclude that cooperation between Russia and China is becoming increasingly credible in the contemporary turbulent world, and determines the stability of Russian-Chinese relations, which indicates a high level of interaction.