Since this matter is important, we have intended this research for the study of the guarantees relating to the law of procedural guarantees and securities in terms of comparative study, in particular, in the trial stage, which would reveal to us the response to the questions that may be raised hereof, such as: • How the legislations called for the importance of having special judiciary in the cases of the minors and the extent of the contribution in solving of many problems relating to the childhood criminality? What are the conditions should the minors' judge meet, in the matter of selection and preparation according to the controls and specifications? What are the guarantees relating to the original procedures adopted by the trial? For the sake of achieving the penal justice for the minors in all stages of the proceeding, providing guarantees thereof and whereas the stages of the trial is from the most dangerous stages, thus, this should include securities and guarantees that specialized judiciary to be provided and accordingly attended, while it should be of a social nature, pastoral and away from being rigorous, also requires to provide several specifications in the people who are going to be selected and prepared to take over this task. More flexible procedures should be observed for this age which represents the future hope and creation of the appropriate reformation of the personality of the minor. Such securities and guarantees in the procedural principles, in the penal should be confidential and urgent in terms of the securities relating to the defense in the criminal justice. lastly, the study concluded with a presentation of the most significant results and recommendations