In the criminal justice process, especially if the actor of criminal case was a child, the process of criminal justice would be different from if the actor of criminal case was an adult. In process of criminal justice and the regulation the propietary right have to fulfill for the child's actor who doing the criminal act. All of its has to regulated clearly in the law of child's justice. There are two main problems that will be researched in this research, how is the protection and to fulfill of the propiearity right as an actor of criminal case? And then what is the obstacles in to fulfill of propiearity right, is it proper with the regulation of child's justice. The conclusion of this research: All of the propiearity of chil's right was proper with regulation, except for nearing of child by advokat.The obstacle in to fulfill of propiearity child's right was not found, excepr in nearing.