Abstract: A layer-built body having hidden barcodes and figures thereof is disclosed in the invention, so as to allow barcode scanning devices to read the barcodes, the layer-built body comprising: a lenticular lens sheet divided into a first surface and a second surface, and the first surface has a plurality of convex lens-shaped optical structures disposed thereon; a patterned layer printed with trademarks or figures, and divided into a plurality of striped images; and at least a barcode layer printed with information about barcodes and divided into a plurality of striped images.