The utility model discloses a movable elevator convenient to adjust. The utility model belongs to the technical field of building construction, the lifting device comprises a base, a lifting table anda lifting mechanism, the lifting mechanism comprises a vertically-arranged spiral lead screw, a nut block matched with the spiral lead screw, a horizontally-arranged worm and a transmission turbine matched with the worm, the transmission turbine is coaxial with the spiral lead screw and fixed to the bottom end of the spiral lead screw, and a rocking handle is fixed to the end of the worm; the base is horizontally arranged, the worm is fixed to the base and extends to the two sides of the base, and the transmission turbines are symmetrically arranged on the two sides of the base and installedin cooperation with the worm. The lifting table is horizontally arranged, and the nut blocks are symmetrically arranged on the two sides of the lifting table and installed in cooperation with the spiral lead screw. The lifting table and the base are adjustably connected through spiral lead screws symmetrically arranged on the two sides. The lifting platform can be manually controlled, is simple instructure, convenient to use, stable and safe, and can be used in an environment without electric power.