Improve the level and methods of education. There are different cultural differences and different teaching methods at home and abroad. Studying the history of preschool education at home and abroad is to improve the level and methods of education. The history of preschool education at home and abroad is a branch of the history of education, and its research objects are: the practical activities and educational thoughts of preschool education at various historical development stages at home and abroad and the laws of their evolution and development.