The task of pedagogy is to reveal the laws of education and pay attention to the discussion of educational values and educational art. Pedagogy mainly studies human educational activities and their laws, and the research objects are human educational phenomena and problems and the general laws of education. The task of expanding information pedagogy is to reveal the laws of education, pay attention to exploring the value of education and the art of education. Pedagogy is a social science that studies human educational activities and their laws, and reveals the general laws of education through the study of educational phenomena and problems. The research object of pedagogy is the phenomena and problems of human education and the general laws of education, including the relationship between education and social politics, production, economy, culture and population, the relationship between educational activities and human development, and the relationship between school education, social education and family education within education.