Abstract: The subject of this research is the peculiarities of legal regulation of labor outsourcing as an atypical form of employment. Compared to traditional labor relations, labor outsourcing is characterized by multi-agency, which explains the peculiarities of its regulation. The article compares some of the specificities of legal regulation of the labor of outsourced employees within Russia’s and China’s labor law: peculiarities of emergence of relations on labor outsourcing, delineation of employer authority between the sending and receiving parties, social-partnership relations, legal position of outsourced employees, and labor legal responsibility regarding relations on outsourced labor as type of employment. The results of the conducted research yield a conclusion on the similarities and differences in legal regulation of labor of outsourced employees within Russian and Chinese labor laws. The similarities can be found in the structure of relations on outsourced labor, specificity of emergence of relations on outsourced labor based upon dual agreements – employment contract and staffing contract. There are also some similarities and differences in regulation of delineation of employer authority between the sending and receiving sides; in establishment of the legal position of outsourced employees, namely with regards to payment of wages; in resolution of the question of participation of an outsources employee in the relations on social partnership; in regulation of labor law liability of the sides of outsourced labor relations.