Due to the influence of heredity, environment and other factors, children have formed different personality qualities. For example, some children are good at expressing, while others are shy. Some are lively and active, and some are quiet and obedient; Some are aggressive, and some are timid, which is a behavioral representation caused by psychological factors.

At the same time, children's physical health caused by heredity, nutrition and other factors will also affect their individual development. For example, healthy children have strong mobility, language skills and adaptability, while weak children often show timidity and communication barriers.

2. Environmental factors

Environmental factors include family environment, kindergarten environment and social environment. Parents' cultural accomplishment, family economic level and educational atmosphere in family environment are all related to children's individual development. Paying attention to education and being good at cultivating children's families with correct and scientific educational concepts will lay a good foundation for their lifelong development.

Environmental factors also include kindergarten environment, that is, school environment. Kindergartens provide educational services for children. A kindergarten with clear development goals, scientific ideas and advanced health will certainly create a warm psychological atmosphere for children, provide a teaching environment for children to explore, attach importance to children's formative education and provide nutrients for their balanced development.

Environmental factors also include social environment. The society's attention to preschool education will inevitably lead to the rapid development of preschool education and will also affect and benefit a generation.