The utility model discloses a coreboard construction fence reinforcing structure. The windproof structure comprises a laminboard and windproof columns, a through hole is formed in the windproof column; a steel wire rope penetrates through the through hole; the steel wire ropes are arranged between every two adjacent windproof columns in a pulling mode. The two ends of the steel wire ropes are anchored on the windproof columns, connecting ribs are formed between the windproof columns and the sandwich panel through the steel wire ropes, the integrity of the windproof columns and the sandwich panel is enhanced, the windproof capacity of the construction fence is improved, the construction fence is prevented from being blown down by strong wind and being damaged, and the safety of pedestriansand vehicles is guaranteed.