The utility model relates to a printing device, in particular to a dryer for playing card gravure. The dryer mainly solves the technical problems that in the prior art, the existing printing device cannot carry out secondary air return, and the ink layer drying on the surface of the body paper is not uniform, so that the stiffness and the folding endurance of the finished playing card are poor in stability. The dryer provided by the utility model comprises a drying oven (1), and is characterized in that a plurality of paper feeding rollers (2) are arranged in the drying oven (1), wherein a draught fan (3) is arranged in the drying oven; a secondary return air channel (4) is arranged at the top of the drying oven; the draught fan is communicated with a numerical control device through a line.