This study draws upon one of the most difficult topics cutting across the fields of philosophy, philosophy of religion and theology. It Is the problem of evil and the matter of Its perception. The understandings or the theodicy of this issue have always been taken Into discussion. This paper studies the problem of evil and related works of theodIcy in the light of Kant's approach. Kant's perception of evil and his criticisms of philosophical approaches to theodicy form the main focus of this work. Kant has been counted among the philosophers who were stood firmly and seriously against the attempts of theodicy. In addition, some references have been made to the philosophy of Leibniz and his understanding of theodlcy in this regard. In brief, this study attempts to reveal the reasons put forward by Kant about the failure of the attempts with regard to theodicy and his suggestions and analysis on how the problem of theodicy should be understood.