Background and Aim: The management of economic affairs is an integral part of any political system, which is entrusted to certain institutions or individuals according to the legal, cultural and managerial conditions in each society. In the Islamic society, this procedure is entrusted to the legal guardian as the highest authority, and in this research, the jurisprudential foundations of the legal guardian in economic affairs will be discussed.
 Materials and Methods: The method of this article is analytical and descriptive using library tools.
Ethical Considerations: In writing this article, the principle of accurate and trustworthy referencing has been taken into account.
Results: There are many jurisprudential foundations such as the management of hasbiya affairs, the management of anfal, khums and zakat, and the organization of economic affairs in Islamic society, which, due to the prevention of chaos and being placed in a certain institution, is considered as the guardian of jurisprudence. Continuity of government in the era of absence of Masum (AS) has been entrusted.
 Conclusion:The jurisprudential foundations of the guardianship of the jurist in economic affairs are due to the need of the Islamic society to entrust matters to an authority that is aware of the rules of religion and to organize economic affairs, which exist in different forms in different societies. But in the Islamic society, it has long been considered among the powers of the jurist.