Abstract: A digital inkjet printing machine with transparent ink comprising an inkjet module, at least one UV light projection device and a working platform with heating function is disclosed, wherein the working platform is used for heating a work piece during or after the jetting of ink on the work piece on the working platform for hardening the ink droplets thereon, and the inkjet module has a plurality of colored ink cartridges and at least one transparent ink cartridge filled with transparent UV curable ink; the at least one UV light projection device is disposed on a side of the inkjet module for irradiating UV light downward on a surface of the work piece on the working platform in order to solidify the transparent UV curable ink droplets jetted thereon, and to form a three-dimensional transparent color layer on the surface of the printed work piece.