In this monograph, the problem of didactic principles has been studied to what extent by scientists, the essence of didactic principles, the interpretation of didactic principles in the theory of pedagogy, the role of the principle of historicity in the system of principles, and the principle of following the principle of historicity in the process of teaching natural-scientific and social-humanities. specific features are shown. The monograph is intended for students of a higher education institution, graduate students, and researchers in this field.