Corrugated guardrail convenient to install

The corrugated guardrail convenient to install comprises a stand column and a corrugated plate, a plurality of screw rods are transversely inserted into the stand column, one end of each screw rod abuts against the outer side wall of the stand column, the other end of each screw rod penetrates through the stand column and extends out of the stand column, and a screw rod fixing mechanism used for preventing the screw rods from transversely moving is arranged on the stand column. The corrugated guardrail is provided with the first penetrating opening for the threaded rods to penetrate through, the fastening mechanism is arranged between the corrugated guardrail and the threaded rods, the threaded rod fixing mechanism in the structure can prevent the threaded rods from transversely moving, and therefore a worker can conveniently insert the corrugated plate into the threaded rods all the time; the threaded rod is provided with a plurality of supporting points, so that the threaded rod is provided with a plurality