The utility model discloses a high adaptive highway barrier, including preventing block, stand and backplate, prevent that one side of block is fixed at the stand top, the bottom of stand is fixed at the bottom of ground, the backplate through the bolt fastening on preventing block's opposite side, the stand with or prevent block with or the backplate for the resistant steel material of waiting, prevent that block includes polygon frame construction fix the first vertical board at the stand top, first vertical board forms the boss to stand direction protrusion, is equipped with the constant head tank in the boss middle part, and the stand top is equipped with the recess that can hold the boss, and inside being equipped with of recess can imbed the location platform of fixing a position to the constant head tank, first vertical board upper end is connected with the one end of first swash plate, and first vertical board lower extreme is connected with the one end of second swash plate, and first vertical board is the obtuse angle with the contained angle that first swash plate formed, and first vertical board is the acute angle with the contained angle that the second swash plate formed, the other end of first swash plate is connected through the other end of other frames with the second swash plate.