Movable guardrail

The utility model provides a movable guardrail which comprises two stand columns, a guardrail body is connected to the two stand columns, and the guardrail body comprises a connecting mechanism connected to any stand column and a guide wheel arranged on the other stand column. The falling protector is arranged on the top side of the guide wheel and fixed to the stand column. One side of the steel wire rope is connected to the connecting mechanism, and the other side of the steel wire rope abuts against the bottom side of the guide wheel and extends upwards to be wound on the falling protector. According to the movable guardrail, the steel wire rope in the horizontal direction is slightly pressed downwards, the steel wire rope is released from the falling protector along with the action of a worker and is sunken downwards, and therefore the purposes that the guardrail does not need to be dismantled, and large steel members are avoided are achieved; and after the hoisting is finished, the worker releases the st