In this regard, experts from the Children's Development Center of FLTRP said: comprehensiveness, timeliness and parent-child interaction are the three basic principles recognized in the field of early education and have a long history. No matter how the educational theory evolves, the field of early education should follow these three principles. He is Newton's three laws of physics, marginal utility theory of economics, marketing management in marketing field and Moore's law in IT field. A complete textbook for early childhood education must be compiled with reference to these three principles. Butch series textbooks completely adhere to the three basic principles in the field of early childhood education, and at the same time add the number of textbooks in a targeted manner to achieve the best educational effect.

Teacher Lin, who has worked in the field of early childhood education all his life, commented: "At present, the concepts and methods of early childhood education are more complicated, and parents are at a loss. Butch series textbooks adhere to the most fundamental principles of early childhood education and make early childhood education return to' truth'. It has set a new benchmark for the early education industry and opened up a new era of early childhood education. "