The manual outlines the key concepts, methods and history of the development of ethnopsychology, which today is not only applied science, but also an arena of acute ideological struggle, which determines its special social, psychological and even political significance. Knowledge of the true foundations of ethnopsychology, the reasons for the emergence and disappearance of various ethnic groups, nations, peoples will help to significantly change views on current events and will contribute to the search for the most favorable solutions to issues arising in the process of integration of the world community. For students, graduate students and teachers of psychological faculties of universities, specialist psychologists.