Public Finance law is considered to be one of the most important branches of public law in terms of how to regulate the collection and consumption of public resources. Public Finance law is also linked to other sciences because of the extent to which general education is subject to public law. The most important source of Public Finance law is the financial supervision of the Special Court, due to the sensitivity of several principles to public finance, including taxes, budgets, government receipts and payments. This is a young, independent science that has been neglected and neglected. Undoubtedly, the recognition of this applied discipline and its way of teaching this science, clarifying the rules and establishing an independent field for this science and training lawyers and financial professionals can help resolve the problems and riches of this important financial legal field and provide valuable assistance in the legal system and In this research, while explaining the concept of public finance.Public Finance law examines the sources of Public Finance law, the relationship of Public Finance law with other sciences and, finally, the characteristics of this science.