Answer: The new feature of pedagogy at the end of the 20th century: (1) The problem field of pedagogy research has expanded rapidly. (2) Diversification of pedagogy research foundation and research mode. (3) Pedagogy has undergone fine differentiation and formed a preliminary educational discipline system. (4) The relationship between pedagogy research and educational practice reform is increasingly close. (5) Pedagogy strengthens self-reflection and forms a meta-theory of pedagogy. '