Educational science is the general name of all kinds of educational disciplines with educational phenomena and educational laws as the common research objects, and it is a discipline totality composed of several educational disciplines. Including the history of ancient education in China and modern education in China, the principles of education, moral education, teaching and management in basic disciplines, preschool education, general education, secondary education, higher education, adult education, special education, comparative education and vocational education in classified disciplines, educational anthropology, educational economics, educational politics and educational sociology in interdisciplinary disciplines, and teaching theories in applied disciplines.