The invention belongs to the technical field of cable installation accessory application and specifically relates to a vertical adjustable cable pay-off rack which is composed of a base, idler wheel location plates, idler wheel location shafts, movable wheels, a left pay-off assembly, a right pay-off assembly and a cable pay-off rod, wherein the idler wheel location plates, the idler wheel location shafts and the movable wheels are arranged at the four corners of the bottom of the base, the left pay-off assembly and the right pay-off assembly arranged on the base, and the cable pay-off rod ismatched with the left pay-off assembly and the right pay-off assembly to be used. The vertical adjustable cable pay-off rack disclosed by the invention has the beneficial effects: the whole structureslike the left pay-off assembly, the right pay-off assembly and the like are all cold-roll steel sheet or alloy stainless steel structure; service life is long, frequent overhaul is avoided, and a work efficiency is high; meanwhile, an inner structural design is reasonable, lifting operation can be performed by two air cylinders according to need, a cable assembling efficiency and whole structurepracticability are improved, and time and labor are saved; furthermore, the whole structures are stable, and an application range is wide.