The utility model relates to the technical field of road safety facilities, and discloses a bridge guardrail, which comprises a concrete base and a protective beam which extend along the edge of a bridge floor, the protection beam comprises a plurality of supporting stand columns which are arranged in the extending direction of the base and installed on the base. The first cross beam is arranged in the extending direction of the base and located on the side, facing the bridge floor, of the stand column; the first anti-collision blocks are located between the first cross beam and the stand columns and correspond to the stand columns, one end of each first anti-collision block is fixedly connected with the corresponding stand column, and the other end of each first anti-collision block is fixedly connected with the first cross beam. According to the bridge guardrail provided by the embodiment of the utility model, the collision load transmitted to the bridge deck slab during vehicle collision can be greatly reduced, the damage of the bridge deck slab under the action of vehicle collision is effectively avoided, and the service life of the bridge deck slab is prolonged.