The present invention discloses a system and a method for permission management, and a permission management server. The system includes: a privacy owner terminal, for providing a privacy owner's privacy; a privacy management system, for obtaining the privacy owner's privacy provided by the privacy owner terminal; a privacy inquiry terminal, for inquiring about the privacy owner's privacy from the privacy management system and further obtaining an privacy inquirer's privacy provided by the privacy management system; a permission management server, for determining whether to grant a privacy inquirer to obtain the privacy owner's privacy according to a predetermined privacy permission rule when the privacy inquirer inquires about the privacy owner's privacy via the privacy inquiry terminal.