Studying and exploring the patterns governing each subject leads to a systematic categorization of that subject and a better explanation of the developments of that subject in the course of history. Responses to the delinquency of children and adolescents in response to the delicate and vulnerable attitude of these people has undergone various developments and has seen various policy-makings by legislators. Given that the proper conduct of the judiciary for children and adolescents, due to its high importance, requires specific patterns and procedures, in order to anticipate special legal proceedings, the judiciary for children and adolescents in This is the forerunner for litigation and prosecution for children. The most important models for juvenile justice in the world can be looked at in three patterns of legalization, welfare and participation, and each model, like other patterns, has a specific basis that the selection of the most desirable model in each country is subject to policy. The criminal is that country. In this paper, in addition to explaining the most important models of responding to the delinquency of children and adolescents in the world, we examine the effects and conclusions of each of these patterns in order to determine the prevailing pattern of our country's criminal policy regarding the delinquency of children and adolescents.