The social damage caused by the execution of prison sentence on the prisoner and his family, the high economic cost of the execution of prison sentence, the ineffectiveness and ineffectiveness of prison sentence on some criminals, etc. It has been an alternative to imprisonment. Nevertheless, Iran's judicial system, in terms of the relatively new emergence of the issue of alternative punishments to imprisonment, while having opportunities, always faces various legal and executive challenges as the case may be, in the stage of issuing a sentence and executing it. is facing In this article, the authors, using a descriptive-analytical and library method, have reached the conclusion that the judges of the courts Criminal law at this stage has various legal ambiguities, especially in terms of the reproducibility of alternative imprisonment punishment, the multiplicity of intentional crimes in certain cases, the extension of the regulations related to public services to other alternative punishments, the conditions for applying alternative imprisonment punishments, etc. It has been faced that in this article, they have explained those objections and then presented a suitable and logical solution for each of them, in order to revise and amend the law