Abstract: The first three years of a child is the most important stage for him to leam a language . During this period, several phenomena are worth paying attention to Especially the phenomenon that children often make " errors"  in the eyes of grown - ups in using "pronouns" and "names of places". Now, people hold a different opinion towards such  errors   on the part of the children, whicb is helpful to understand how children acquire a language. Actually, there exists no error in the  process of children ' s language acquisition .

Key words: language , acquisition , device;children ' s , language , acquistion