For children who are exposed to new fields, the advantages and disadvantages of young convergence will endanger the actual effect of all cultural education and the long-term development trend of children. Therefore, the practical significance of young convergence is great, so the market charges are also high.

The connection between young and old refers to the preparation from the aspects of morality, intelligence, physique and beauty according to the characteristics of preschool children's physical and mental development trend in the buffer period, so as to lay a good foundation for preschool children's smooth enrollment and their long-term development trend.