(1) Factor education theory is Pestalozzi's important exposition on the contents and methods of primary education based on educational psychology theory, and it is also the crystallization of pioneering practice of primary education innovation.

(2) The theory of factor education holds that all kinds of education in primary schools should start with the simplest elements and then gradually turn to increasingly complex elements, so as to promote the harmonious development of people step by step. In his view, factor education not only requires primary schools to enable everyone to receive basic education and develop harmoniously in all aspects of morality, intelligence and physique, but also requires all aspects of morality, intelligence and physique to develop in a balanced way through the factor method.

(3) Moral education: Children's love for their mothers is the most basic element of moral education; Intellectual education: the most basic elements of teaching are number, shape and language; Exercise: The most basic element of exercise is joint activity.