The invention discloses a down-suction push-pull side gauge device of an automatic screen process press. The down-suction push-pull side gauge device comprises a gauge body, an air valve sleeve, a rotary air valve, an end cam, a sliding seat, a sliding rod, a main board, a side-pull positioning plate, a gauge pulling plate, a side plate, a spring, a paper guiding plate, a paper guiding ball and a cam ball, wherein a gauge pulling plate movable slot is horizontally formed in the main plate; the gauge pulling plate is mounted in the gauge pulling plate movable slot and connected with the sliding seat; the paper guiding plate is mounted on the side-pull positioning plate; the paper guiding ball is mounted in a ball hole in the paper guiding plate; a small hole group is arranged on the gauge pulling plate; the end cam drives the cam ball to drive the sliding seat and the gauge pulling plate to move horizontally; air distribution is carried out through the rotary air valve to ensure that the small hole group on the gauge pulling plate has downward suction force; the gauge pulling plate moves backwards to position the side-pull positioning plate to the side. Through above technical scheme, the down-suction push-pull side gauge device is reasonable in structural design, simple in structure, reliable in work, good in printed product quality and high in finished product acceptability.