The article discusses the implementation of the function of initiating administrative cases and conducting administrative investigations by the prosecutor's office, as well as the relationship between this activity and the authority to initiate administrative proceedings within the framework of supervising the implementation of laws and the observance of human and civil rights and freedoms. Based on the analysis of the legislation, the article identifies the place and role of the prosecutor in the state legal mechanism of state control (supervision), reveals the problems of conducting administrative prosecution in cases that fall within the exclusive jurisdiction of the prosecutor, and suggests ways to address these issues.