High-strength guardrail steel formwork

The utility model relates to the technical field of steel formworks, and discloses a high-strength guardrail steel formwork which comprises a back plate, a front plate is arranged on the opposite side of the back plate, a left side plate and a right side plate are arranged between the back plate and the front plate respectively, the front face and the back face of the back plate and the front plate are each provided with two sets of reinforcing vertical strip assemblies, and the two sets of reinforcing vertical strip assemblies are symmetrically distributed. Each reinforcing vertical strip assembly is composed of two vertically-distributed positioning strips, and inserting grooves are symmetrically formed in the left side plate and the right side plate. The inserting grooves in the left side plate and the right side plate are inserted between the positioning strips of the back plate and the front plate in sequence to be assembled, positioning of the left side plate and the right side plate is completed, meanw