| Peer socialization of children’s cooperation is a key aspect is the importance of children’s pro-social behavior manifestations, is the individual social development is an important aspect. As an important social exchanges of children, on the cooperation of researchers need to study more and more concern and attention. Infancy as action, activity, and the rapid development of language, the baby’s mental development has undergone major changes, the baby of the individual personality and social development of an important period began. Explore the ability to cooperate during this period companions and related factors, for the promotion of children’s development of great significance. In this study, laboratory experiment, observation and interview situations, peer collaboration around the early infancy of the occurrence of issues, and explore self-awareness and perspective taking these two important social cognitive ability to cooperate on the impact of early peer.To further deepen our cooperation in capacity development in infants understanding companion.Dalian selected for this study of60infants of18to27months old baby to fellow co-occurrence of empirical research, and also investigated self-cognitive and perspective taking place for the babies of fellow cooperation. In the course of the study, the infant’s behavior have been videoed, then its code and analysis. At the same time, we shown for the characteristics of the baby’s behavior in experiments, the baby’s parents could be provided a guidance recommendation.The results show that:(1) the occurrence time of the baby fellow co-roughly24months, the infant peer cooperation behavior increased with age, the peer is not the sudden ability to cooperate, but the development of a process, in cooperation behavior of men and women there is no significant difference.(2) Self recognition and perspective taking can predict the behavior of peer cooperative behavior in infants. |