PURPOSE: To make the transmission destination possible automatically execute the document processing, which is set to be executed when the sent document is returned to the transmission source, without taking into account the information on the document processing.

CONSTITUTION: The device is provided with a means 3 registering the processing procedure name to be executed and the execution identification name in the document prepared by a document preparation device 1 or the like and a means 5 sending the registered document and execution identification information including the execution identification name, obtaining the corresponding processing procedure name by retrieving a corresponding list 6 from the execution identification information of the document which is processed by a document processor 9 at the transmission and sent back from a transmitter-receiver means 8 and executing the document processing by obtaining the processing program from a processing procedure information 7.