PURPOSE: To set a command even without knowledge on rules relating to the command and a file, etc., when the application of multi-media is generated by employing such constitution that the flow of application is designed in Japanese language and also, the command is expressed in Japanese language.

CONSTITUTION: When an application generation request is issued from an input part 9 while the application is generated, the application generating part 2 of a processing part 1 is started up, and a script list display means 2a is driven. The script list display means 2a takes out he Japanese language display character string of an instruction code from an intermediate code table 4, and displays it on the area 7a for script list display of a display part 7. When one of character strings is selected from a displayed summary by the operation of the input part 9, a script setting means 2b is operated. The code of a corresponding instruction is set on a script file 5, and a code set on the script file 5 is displayed after converted to a Japanese language character.