The invention discloses a step-by-step printing device for photovoltaic crystalline silicon cells, which includes a material ladder, a placement plate, a first installation frame, a load-bearing plate, a clamping frame, a screw rod, a liquid barrel, an infusion tube, a clamping mold frame, and an infrared sensor , the first printing board, the second printing board, the third printing board, the card mold device and the limit printing device, the bottom of the material ladder is welded and fixed with the installation column, the top of the placement board is provided with a placement slot, and the first The installation frame is fixed on both sides of the top of the material ladder, wire blocks are fixed on both sides of the load-bearing plate, first clamping holes are opened on both sides of the clamping frame, and the step-by-step printing device of the photovoltaic crystal silicon cell is equipped with a first printing board, the second printing board, and the third printing board, it is convenient to print the main grid line, sub-grid line and auxiliary grid line through different printing boards, so as to avoid the duplication of position during the printing process of the main grid line due to the transformation of the overall crystalline silicon cell printing Printing, thereby reducing the electrical performance of the overall crystalline silicon cell.