The curriculum of large classes or kindergartens focuses on happy education. And preschool education is to prepare children for becoming primary school students. For example, children's regular education in class should be correct, listen carefully, raise their hands before answering questions, and other children should listen carefully when answering questions. Education of time concept: the bell rings in the classroom and the bell rings out of the classroom. Go to the toilet to prepare for class after class. Politeness education and so on. As for learning more knowledge than large classes, it is mainly to give children regular education so that children can have a preliminary understanding of becoming primary school students in advance.