ABSTRACT This study entitled "Intensity Relationship Playing Online Game in the factor of Violence toward Aggressive Behavior of Children (Studies in SDN 54, SDN 61 dan SD IT Al- Azhar )”. The purpose of this study was to find out the answers about the relationship of the intensity of playing online games in the factor of violence toward aggressive behavior of children in Banda Aceh. Online game ranked seventh in the category of Internet applications which are most widely used in Indonesia based on research of Indonesia Internet Service Provider Association (APJII) in 2013. Aggressive Behavior was formed because of playing the game online in the factor of violence; this incident ever happened in Indonesia, the offender claims to be inspired from one of the game online First Person Shooter (FPS) Point Blank. The theory used is Social Learning Theory. In the theory, it is said that there are several stages of the formation of behavior; attention, retention, reproduction and motivation. The research method used in this study is a quantitative approach in the kind of explanation. Data collection used in this study is questionnaire with interview method. The sampling technique used is multistage non probability sampling and purposive sampling. The results of data analysis used is statistical parametric with techniques of Pearson data that showed correlation coefficient (r) of 0.344 with the value of (p) = 0.001 (p