The invention discloses a drum type hot stamping device for a packaging and printing production line, which comprises a base plate, a supporting leg, a shock absorbing device, a first supporting plate, a hot stamping roller, a backing roller, a first rotating shaft, a first slider, and a chute , the second rotating shaft, the second slider, the first rack, the first gear, the third rotating shaft, the first worm gear, the first helical tooth, the fourth rotating shaft, the spring, the second rack, the second gear, The fifth rotating shaft, the second worm gear and the second helical teeth, the present invention is provided with a first support plate, a chute and a second slider, so that when the thickness of the paper tape changes, the backing roller is always tightly attached to the hot stamping roller , to adapt to paper tapes of different thicknesses, with a first helical tooth, a second helical tooth, a first worm gear, a second worm gear, a first gear, a second gear, a first rack, a second rack, a first slide The block and the second slider adjust the distance between the backup roller and the hot stamping roller through the cooperation of the above components to meet different production needs. The operation is simple, convenient and practical.