This article examines the relationship categories of «public interest» and «the financial system». Indicated that an efficient financial system is able to provide a balance between the public interest and the interests of the parties liable. Attention is paid not only to the influence of interest on the structure of the financial system, but on the opposite impact. Last seen in the fact that as we approach the desired model of the financial system and transformed itself a public interest in this area, as there are new perspectives and interests.
Keywords: finance, financial system, financial, legal, public interest