Control State money expenditure, especially in developed countries, is democratic heritage based on principles that, through accredited and unbiased institutions, citizens have the possibility to get insight into all aspects of taxpayers’ money expenditure. In that sense, public expenditure supervision represents an activity directed towards decrease in the costs of functioning of the state and its entities. State supervision comprises three segments, as follows: control, inspection, and state audit. Control is continuous every day supervision by state employees, usually internal. Inspection is additional external control by the state. State audit has the function of public expenditure inspection. It evaluates how economical, efficient, and effective state budget institutions are. In this text, we deal with the most significant aspects of public finance supervision through:internal control, internal state audit, and administrative, accounting-court and parliamentary control. All these forms intertwine thus creating one integrating supervision system of public finance, with one clear goal – decrease in public expenditure and less expensive state.