The goal of the dissertation is to deepen the theoretical foundations of the strategy of internationalization of China's agricultural sector in accordance with the principles of sustainable development and promotion of global food security. The ontology of agricultural internationalization is revealed as a process of integration of the national agricultural sector into global economic, trade and institutional systems in order to expand access to external markets, transfer of agricultural technologies, optimize supply chains and attract investments, which, in conjunction with sustainable development strategies, contributes to strengthening global food security, ecological balance of production and socio-economic stability of rural areas.