1, randomness: family education is not limited by time and space, and it is a kind of life education anytime and anywhere.

2. Specialized music education activities: refers to the activities in which teachers arrange special space-time venues purposefully and in a planned way according to the goals and tasks of preschool children's music education, choose topics and materials with music as the theme, and organize all children to participate.

3. Educational institutions connecting nurseries and kindergartens recruit children from several months to six years old.

4. Group: Preschool facilities are for many children, not for individuals.

5. Children's behavior of finding and using substitutes is different at different ages, which reflects the change of children's game level. From "simulation" to multi-object substitution, it shows that children's symbol games tend to be mature. Children are more interested in roles than objects, and their consistent recognition of substitutes is improved.