Pedagogy is a social science that studies educational phenomena and problems, summarizes the scientific theory and practice of human educational activities, explores and solves practical educational problems encountered in the process of the emergence and development of educational activities, and thus reveals the general laws of education. Education is an activity widely existing in human social life and purposefully cultivating talents. The research of pedagogy is objective, inevitable, stable, repetitive, realistic, dialectical and scientific. The expansion of modern material production, the development of science and technology and the extensive and rich 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.