The invention relates to a novel confidential file bag. The novel confidential file bag comprises a file bag body, a fragile radio frequency recognition label which is used for sealing the opening ofthe file bag body and arranged on the file bag body; the fragile radio frequency recognition label comprises a fragile layer, a radio frequency recognition label layer which is arranged on the fragilelayer and a first adhesive agent layer which covers the radio frequency recognition label layer; a releasing layer is attached to the face, used for sealing the opening of the file bag body, of the fragile radio frequency recognition label, and the releasing layer is used for preventing the bonding of the fragile radio frequency recognition label with other substances before the confidential filebag is used. Compared with the prior art, the fragile radio frequency recognition label is taken as the mark of opening sealing completeness, the fragile radio frequency recognition label cannot be restored after removed, the duplication or replacement of the fragile radio frequency recognition label are difficult, the difficulty of stealing the containing substances in the confidential file bagis increased, and the speed of discovering the illegal unsealing of the confidential file bag is increased, an information saving carrier of the confidential file bag is added, and therefore the possibility of the information management of confidential files is provided.