The principle of the rule of law is one of the most important fundamental principles of public law that not only determines the basis for the legitimacy of administrative decisions, but also, as a control tool, specifies the limits of managers' authority and limits arbitrary decision-making. In the Iranian legal system, although this principle is recognized in the Constitution and other administrative regulations, its practical implementation faces serious challenges including weak accountability, lack of sufficient transparency, incomplete documentation, and regulatory gaps. In this article, using a descriptive-analytical method and using legal sources and theoretical literature, the position of administrative responsibility of managers in light of the principle of the rule of law and its role in preventing corruption has been examined. Research findings show that the actual establishment of this principle requires managers to observe legal limits, be transparent in decision-making, document actions, and, as a result, strengthen accountability. On the other hand, holding managers accountable for their performance, especially for administrative violations, can play an important role in structurally preventing corruption. Finally, solutions such as strengthening legal education for managers, upgrading supervisory systems, requiring transparency in administrative processes, and reforming ineffective laws are presented as prerequisites for fully realizing the principle of the rule of law and administrative soundness.