Plastic steel construction fence with metal columns and beams

The utility model relates to a metal column beam plastic steel construction fence which comprises a fence body, a lower metal cross beam is clamped and matched to the lower portion of the fence body, an upper metal cross beam is clamped and matched to the upper portion of the fence body, metal stand columns are arranged on the two sides of the fence body, a through groove is formed in the side, facing the metal stand columns, of the fence body, and a locking rod is arranged in the through groove. A locking groove is formed in the side, facing the fence body, of the metal stand column, the axis of the through groove coincides with the axis of the locking groove, the end, away from the fence body, of the locking rod is inserted into the locking groove, the two ends of the locking rod are slidably arranged in the through groove and the locking groove correspondingly, and a moving assembly used for guiding the locking rod to be inserted into the locking groove is arranged in the through groove. A locking assembly