The purposes of this study are: 1. to explore the children's emotional intelligence and related theories. 2. To realize children's social behaviors and peer relationships, 3. To explore the impact of children's emotional intelligence and social behaviors and the related factors. 4. To compile and analyze the well-known children's emotional intelligence and social-related scales applied in Taiwan and the other countries. This study will be a cornerstone of the children's emotional intelligences and social behaviors for scholars, school teachers to be used as a reference.