Modern primary school teachers must implement training, development, and education based on knowledge of the individual characteristics of the younger pupil, be able to manage the process of the schoolchild's constant change and ensure his ascent to a higher level of development, carry out the scientific-pedagogical search, solving the problems of the child's personality formation on a scientific basis. The relevance of this research is determined by the fact that it considers the problem of mastering communication skills as an integral part of speech communication skills, which is a necessary condition for successful social adaptation of the trainee. This article discusses the issue of determining the theoretical knowledge level of future primary school teachers for the formation of communication skills of younger learners. For this research, a research experiment (2017-2018), a search experiment (2018-2019), education experiment (2019-2020) was designed. The survey of students was conducted to determine their own opinion about the formation of their knowledge, skills, and abilities. For this purpose, a survey was conducted with 152 students. The developed method is more likely to create information about the formation of communication skills of primary school students than the traditional method of future teachers.