The purpose of this study is to investigate the relationship between automatic thoughts, childhood narcissism and computer game addiction in children. In this context, the relational survey model, which is one of the quantitative research approaches, was used. The measures were applied 306 4th grade students studying at different primary schools which are in Konya, a city in Central Anatolia Region in Turkey. “Computer Game Addiction Scale for Children”, “Children’s Automatic Thoughts Scale” and “Childhood Narcissism Scale” were utilized to collect data. The relationships between variables, which are automatic thoughts, narcissism and computer game addiction, were tested through correlation analysis on SPSS v18. The model and predictive relationships were analyzed via the structural equation model on AMOS v24. The results of the analysis showed that fit index values of the model reflecting the relationships between computer game addiction and automatic thoughts and narcissism, are within acceptable range and the model was accepted. It was found that there were positive and significant relationships between computer game addiction, automatic thoughts and narcissism. It was also found that computer game addiction positively predicted automatic thoughts and narcissism. The results of the research were discussed in the light of the literature and suggestions were made.