Bag-making printing press

The invention provides a bag-making printing press and belongs to the technical field of printing presses. The bag-making printing press solves the technical problems that an existing printing press is high in production cost, bad in printing effect and the like. The bag-making printing press comprises a press frame and a support arranged on the press frame, wherein the support is provided with an impression cylinder capable of abutting against a film, and an impression shaft is fixedly arranged on the support and connected with the impression cylinder. An ink feeding device is arranged above the impression cylinder, and the impression shaft is connected with a timing belt pulley which is connected with an ink coating device. The support is further connected with an adjusting device capable of adjusting the position of the impression cylinder, and the press frame is provided with a drying device capable of drying ink on the film. The bag-making printing press has the advantages of being low in production cost, good in printing effect and the like.