Children are our national succeeding struggle and ideal generations, thus those children with substantial potential must completely be supported by government or community, in order they remain in qualified human resources position. Therefore, they must obtain a good and Wright education in their growth period in avoiding problems that they are not naughty. There are various children delinquency, and even have tendency to criminal act. One of the most serious children delinquencies is sexual violence. There is much sexual violence committed by children in Jakarta City; so that it is necessary to know what make these children committed them.The research methodology used in this study is a qualitative approach by case study technique. This research's informant is a child as sexual violence actor. Its data collecting method is carried out by a depth interview with informant, collection of information data, and observation in informant's environment.From conducted research, it is obtained a result that there are various factors causing those children commit to do sexual violence. They are, among others, negative environmental influence, inappropriate entertainment and information received by them (such pornographically media) and a lack of social relationship that cause a child commit to do sexual violence and others deviational behavior.In order to avoid that such children do not commit those deviational behavior, thus it is required for a collaborative action between elements in community and governmental role in regulation enforcement about pornography and porn action.