The invention provides a printer base. The printer base comprises a worktable structure, limiting plates, support arms, a slide way, an internal thread, a base, an adjusting rod, an adjusting bolt, afixed rod, buckles, support rods, an external adjusting thread and slide blocks; the worktable structure is mounted at the transverse middle parts of the limiting plates; the support arms are arrangedon the base; the slide way is provided with the buckles and the slide blocks; the internal thread is arranged on the inner side of the fixed rod; and the external adjusting thread is mounted on the outer side of the adjusting rod. Through arrangement of the adjusting bolt, the slide blocks, an air blower and the base, the worktable structure can move left and right, so that different printers canbe adapted to; and the adjusting bolt is matched with the internal thread, so that the worktable structure can be adjusted up and down, the printers can be ventilated in long-time working, the bearing capacity is improved, the maintenance cost is reduced, and the corrosion is prevented.