Cost workbench for project cost management

The utility model discloses a cost workbench for project cost management, which comprises mounting pillars, a workbench plate and cross beams, the cross beams are mounted on the inner sides of the mounting pillars, first bearings are mounted in the mounting pillars, threaded rods are mounted in the first bearings, first bevel gears are mounted at the bottoms of the threaded rods, and the first bevel gears are mounted in the workbench plate. And threaded pipes are installed on the outer sides of the threaded rods in a threaded mode, casing pipes are installed at the tops of the threaded pipes, and a working table plate is installed at the tops of the casing pipes. The threaded rod, the threaded pipe, the sleeve and the workbench plate are installed, when the workbench is used, the threaded rod is rotated to enable the threaded pipe to move through threads, the threaded pipe drives the workbench plate to move together through the sleeve, and then the workbench plate can be driven to ascend and descend and can b