(1) Preschool family education: Preschool family education has existed since the emergence of the family. Family is the first place for children to receive education, and parents are their first teachers. The characteristics of preschool family education include: dominance (children's first living environment), permanence (family education accompanies the whole process of preschool children's growth), independence (the object of family education is individual children), randomness (its education is influenced by teachers' willingness and ability level) and randomness (family education has the characteristics of ubiquitous and subtle influence).

(2) Preschool social education: Preschool social education refers to the implementation of preschool education through preschool education institutions. There are mainly the following forms. (1) Nursery: a specialized institution for educating children aged 0-3, which is open all day. (2) Kindergarten: a specialized institution for educating children aged 3-6, which is mainly responsible by the education department. (3) integration of nurseries and kindergartens: nurseries and kindergartens are linked to recruit children from several months to six years old. ④ Preschool: Also known as preschool, it is mostly built in towns and rural areas, attached to primary schools, and its work and rest system imitates primary schools. ⑤ Children's Welfare Institute: also known as "Children's Rehabilitation Institute", it is a social welfare institution that recruits disabled children. ⑥SOS International Children's Village: an international charity organization that adopts orphans. 1949 was founded in Vienna by Austrian medical doctor Gomena, aiming at giving children "maternal love". The characteristics of pre-school social education are: group (pre-school facilities are for many children), goal (clear training goals), planning (purposeful and step-by-step realization of goals), diversity (diversity of teaching institutions) and so on.