Modernization of teacher education requires the development of adequate research based strategies and approaches of formation of personality-oriented subjective professional training of preschool teachers and accordingly finding ways of its modernization towards the impulse to self-realization of creative potential of future educators, creation and updating methodological support for continuous personal development and self-development of students. Training of future preschool teachers in the organization of play of preschool children as a separate research problem comprehensively and systematically hasn’t been studied. The lack of theoretical coverage of this problem in the pedagogical aspect and its significance for the theory and practice of modern Ukrainian higher education led to the choice of the topic and the main aim of the article that lies in theoretical substantiation of the system of future preschool teachers training for preschool children play activity (based on the course “Theory and methods of preschoolers play activity”). The system of professional training of future teachers of preschool children is a coherent set of structural elements that are interconnected in certain connections and relationship, interact with each other and form a coherent unity. The organization of work with students of higher educational institutions EQL «Bachelor» with the field of study «Preschool Education» was to create a system of testing and maintenance, types and forms of education. The selection of the content of educational material on the subject «Theory and methods of preschool children play activity» is defined as the overall objectives of education and specific objectives of the discipline. The content of the program involves a certain amount of knowledge of the theory and techniques of play of pre-school children, determines the depth of its coverage, establish a sequence in the study, providing a gradual complication of material. The program defined forms of training (lectures, seminars, divergent tasks for independent work, individual teaching and research tasks recommended for students of basic and additional literature). Thus, the course “Theory and methods of pre-school children play activity” furtherance of the purposes of teaching future educators of play and is consistent with the overall goals of education degree; provides conditions for effective training of future professionals in the sphere of preschool education.