Abstract
The purpose of this research is the effects on infants' words of sound by the constructing of reading and childcare persons' actions and words of sound from the analysis of repeated reading picture-hooks to entering age at the class in the kindergarten. The results were as follows : (1)Importance of the constructing of reading picture-books for infants' stability of mind. (2)Importance of childcare persons' words of sound about feelings of characters and scenes of pictures and how to take it among the infants' image. (3)Importance of the information of infants' discovery and play after reading picture-books.