Education for all: Education for all means that everyone has the right to receive education and must receive a certain degree of education;
Democratization of education: it is a denial of the hierarchy, privilege and autocracy of education;
Educational diversity: it is a denial of the oneness and unity of education and a reflection of the diversity of the world's material life and spiritual life in education;
The modernization of educational technology refers to the application of modern science and technology in education, which causes changes in educational concepts, educational systems, educational contents and educational methods.