The process of criminal investigation in Iran is carried out with the cooperation and coordination of the police and the judicial system, which is very important. The law on protection of children and women shows the signs of the difference in criminal policy in dealing with crimes against children in Iran's criminal law. Challenges and solutions of criminalization of state crimes are also discussed. It deals with the judicial challenges of the criminalization process in crimes against children and women in Iran, various issues such as the lack of accurate reporting of crimes, lack of legal evidence, delays in processing cases, lack of proper facilities to support the victims, and deficiencies in the training of judges and judicial staff. is paid. These challenges cause incapacity in the judicial process and the access of women and children to justice. In order to solve judicial challenges, it is necessary to pay attention to the formulation of laws, proper training of judicial employees, increasing public awareness and creating appropriate legal structures and organizations. In any case, to face these challenges, while strengthening the legal framework and improving the law enforcement capacity, it is necessary to increase data collection mechanisms and raise awareness about the rights of children and women in order to provide support services to them.