Primary education: refers to the most basic part of the education system. UNESCO calls it the first-level education, which is the primary stage of school education. Secondary education is above primary education, while kindergarten belongs to preschool education, which 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 stimulate children's brains systematically and scientifically, so as to gradually improve the functions of various parts of the brain. Basic education in China includes preschool education, primary education and general secondary education.