In report proposed is discussed the problems of labour legal regulation of military's medical cooperation between Poland and Ukraine in conditions of military conflicts and in viewpoint of mankind's global problems. The purpose of this paper is to establish a field of medically social relations, which are covered by militarypolitical cooperation between aforesaid states; providing the historical review of problem; search the status praesens; its connections with the global problems of mankind; furthermore steps to reform Ukrainian legislation and ways to deeping of Ukrainian-Polish cooperation during the post-war Reconstruction of Ukraine. Research methodology is based on general scientific methods such as analysis, synthesis, induction, deduction, analogy and empirical, formal-legal and comparativelegal methods. The author's recommendations, in particular, on the development of the Code on Labour, Medicine and Social Welfare in post-war European Ukraine are provided.