The utility model discloses a wall -hanging reactive power compensator cabinet has solved the current problem that the reactive power compensator cabinet radiating efficiency is low, the utility model discloses wall -hanging reactive power compensator cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the last bottom surface of the cabinet body is equipped with first heat dissipation mesh, the lower bottom surface of the cabinet body is equipped with second heat dissipation mesh, first heat dissipation mesh is staggering in the orientation from top to bottom with second heat dissipation mesh each other, be equipped with a plurality of direction cooling fan up that blow in the cabinet body, cooling fan is neat with second radiator -grid pore pair.