The image information processing system includes at least one image information processing apparatus, and at least one identification information registration specialized apparatus having no image confirmation function, at least one image information reading apparatus and means for establishing network-connection among these apparatuses. One image information processing apparatus automatically receives the image information read by one image information reading apparatus from the sheet having the registered identification information and performs image confirmation using its own image confirmation function, and if the image information is read from the sheet having the identification information registered by one identification information registration specialized apparatus, the image information processing apparatus confirms which identification information registration specialized apparatus registered the identification information, internally registers the identification information automatically receives the image information from one image information reading apparatus, and performs the image confirmation.