After the system based on correction and treatment and the failure of the prison project, the second generation of punishment came into being, which was introduced as the restorative Justice system, but in recent years, the third generation of punishment called Participatory Justice was discussed and accepted in legal circles and doctrine. However, with the clarification of the policy of restorative and Participatory Justice, the tendency towards it has increased even more and it has become more and more successful. The Islamic Penal Code also comes under various headings, such as alternatives to imprisonment and semi-liberty. Because the involvement of victims and offenders in criminal matters will be a kind of participation in punishment and participation in the rehabilitation of the offender and the return of the third side of the criminal Justice system to society, in a general expression when the legislator from the title and word "can" It means that it wants to expand participation, which is more prominent in the new law on reducing the punishment of imprisonment. This research has been compiled in a descriptive and analytical manner, so that it can be considered.