Generally, 6- 12 children are of primary school age. At present, the length of primary education is 6 years, and it is still 5 years in some areas. Primary school is a school where people receive formal education at the initial stage and is an important part of basic education. Generally, 6- 12 children are of primary school age. At present, the length of primary education is 6 years, and it is still 5 years in some areas. The primary education stage is followed by the secondary education stage.