1. An image processing method characterized in that an image confirmation system having functions of setting a condition of image processing which is to be carried out on given digital image data according to a desired finish, displaying a visible image on the basis the digital image data processed according to the set image processing condition so that whether the processed digital image data actually produces a picture of the desired finish can be confirmed through the visible image displayed, and obtaining desired image processing condition information representing the image processing condition which has been confirmed to be suitable for producing a picture of the desired finish is used to take in the digital image data and the desired image processing condition information, and image processing is carried out on the digital image data according to the image processing condition represented by the desired image processing condition information.