One of the most important people of any society and country is definitely the children and teenagers of that society or country because they will form the next generations of a society and their health and special support. , legal, judicial, financial, family, emotional, academic, etc., it can definitely help in the growth and dynamism of that society, one of the very important and basic categories that we are trying to address is definitely legal protections and It is a punishment for children and adolescents, because children and adolescents are one of the groups that are exposed to criminals and can be seen as criminals or criminals, in this regard, special measures are taken in every country and every legal system. and at the international level, we see widespread support in most types of organizations, treaties, conventions, etc., which have been formed to comprehensively support children in various fields, including legal and criminal protection. In Iran, The existence of the educational reform center, special courts for children and adolescents, etc. are among the measures that the legislators have considered for the criminal protection of children and adolescents. First of all, we need to know the type and amount of criminal protections at the international and domestic level and how useful and effective these measures are and how much they need to be changed and revised. Objective: Our main objective in this research is to firstly identify the types of support and domestic and international support patterns in the criminal justice of children and adolescents, and our secondary objective is to provide the most suitable and best ways of working in this field to use it.