The invention discloses an eight-station two-row packaging machine, which comprises a large rotating disc, a bag supply device, a bag clamping device, a blanking device, an opening sealing device, a bag opening and air blowing device and a work table top, wherein the blanking device comprises two blanking hoppers, a blanking shaft, a bag supporting connecting rod, bag supporting forks and a regulating screw rod, the two blanking hoppers are simultaneously connected onto the blanking shaft through a blanking hopper fixing device, one bag supporting fork is arranged under each blanking hopper, the bag supporting forks are connected onto the blanking shaft through the bag supporting connecting rod and a fixing frame, and the regulating screw rod is arranged under the bag supporting forks. The number of the blanking hoppers is two, one bag supporting fork is arranged under each blanking hopper, and the number of opening sealing air cylinders, opening sealing rocker rods, opening sealing shafts and opening sealing teeth is two groups, so the yield of a single-machine packaging machine in unit time is doubled, the production efficiency is high, the production period is short, the structure is simple, and the appearance is attractive.