Preschool education can be divided into broad sense and narrow sense. Preschool education in a broad sense refers to the care and education of children from birth to 6 or 7 years old. Preschool education in a narrow sense refers to the care and education of children aged 3-6 or 7.

Preschool education is an education that parents and kindergarten teachers use various methods and objects to develop preschool children's intelligence, make them smarter, stimulate the brain systematically, systematically and scientifically, and gradually improve the functions of all parts of the brain. Preschool intelligence education is one of the important contents of preschool education and a part of the scientific system of preschool education.