A goal of the state policy of the Russian Federation in the field of radiation protection assurance is the consistent reduction of radiation source exposure to workers and to the public up to the acceptable levels during nuclear energy use. The paper considers the following tasks of the state supervision bodies: assurance of the occupational and public protection during prospective development of the nuclear power engineering; protection assurance of workers and of the public during decommissioning of nuclear and radiation hazardous facilities; legislative, regulative and methodic provision of arrangement of safe radioactive waste management; prolongation of the operation lives of the functioning NPP units; incompliance of the real abilities of radiation protection control services and supervision bodies with NRB-99 requirements; implementation of the up-to-date tendency to reduction of areas of health protection zones of nuclear and radiation hazardous facilities; assurance of radiation protection during operation of radiation facilities under irregular conditions; improvement of the guidelines base of the radiation protection state regulation.