The main functions of theoretical research of educational science include deepening educational understanding, revealing educational laws, perfecting and developing the original educational theoretical system and constructing new theories, and logically proving the research results. The theoretical research of educational science refers to the processing and arrangement of existing objective reality materials and ideological and theoretical materials in various logical and illogical ways, and reflects the objective laws of education in the form of knowledge with theoretical thinking level.
The biological origin theorists of education attribute the origin of education to the instinctive behavior of animals, and to the innate biological behavior similar to animal instinct. The educational process is an instinctive process according to biological laws, completely denying the difference between humans and animals.
The basic method of theoretical research in educational science is genetic method, which is a research method based on analyzing the origin and development process of natural and social phenomena. As early as 18 to 19 century, genetic methods have been widely used in various scientific cognitive activities, such as the discussion of the law of the occurrence and development of human consciousness in the fields of philosophy and psychology, which greatly promoted the formation of educational theories.
The development of modern production, science and technology and the extensiveness and richness of educational practice have further promoted the development of pedagogy. The research object of pedagogy is the phenomena and problems of human education and the general laws of education. It is an intrinsic and essential connection and relationship among education, society, people and various factors within education, and it is objective, inevitable, stable and repetitive.