The present invention relates to an authorization processing method and a device. An authorization server receives an authorization update request including a first identifier of an access device; sends, to the access device, an authorization update response including signature request information, where the signature request information instructs the access device to sign verification information; receives a signature verification request sent by the access device, where the signature verification request includes the first identifier, the verification information, and a signature of the verification information; determines that the signature of the verification information in the signature verification request is valid; and updates the authorization relationship according to the first identifier.