This study aims to determine and test the relationship of self-esteem with prosocial behavior of children aged 5-6 years at TK Pertiwi Pekanbaru City. The population of this research is children aged 5-6 years at TK Pertiwi Pekanbaru City. The sample used was 60 children. In this research, the hypothesis is that there is a relationship between self-esteem and prosocial behavior of children …