1. Nursery is a place specially used to take care of and cultivate the living ability of infants, and it also refers to a room or place where children are temporarily looked after by trained service personnel in public places because their parents are absent.

2. Preschool teachers mainly enlighten children, help them gain useful learning experience and promote their all-round and harmonious physical and mental development. The role of preschool teachers in the education process is not only the transmitter of knowledge, but also the supporter, collaborator and guide of preschool learning activities.