The utility model discloses a high radiating low -pressure control cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body one side is equipped with exhaust device, cabinet body opposite side is equipped with hot blast blowpipe apparatus, exhaust device comprises air exhaust lateral wall and air -out lateral wall, the lateral wall of airing exhaust is parallel arranging with the air -out lateral wall, it is equipped with the passageway of airing exhaust to air exhaust between lateral wall and the air -out lateral wall, it is equipped with at least one exhaust fan in the lateral wall to air exhaust, air -out lateral wall upper portion is equipped with an air outlet grille, hot blast blowpipe apparatus includes a cooling device, cooling device is a heat dissipation cabinet, be equipped with at least one ventilation pipe in the heat dissipation cabinet, the ventilation pipe lateral surface is equipped with an aeration grid, heat dissipation cashier's office in a shop end is equipped with an inlet opening, heat dissipation cabinet lower extreme is equipped with an apopore, arrange in the heat dissipation cabinet and be equipped with the cooling water route, cooling water curb ventilation pipe is the heliciform and arranges. The utility model discloses utilize discharging equipment and hot blast blowpipe apparatus to accomplish an inside bulk thermal cycle, utilize cooling device in the hot blast blowpipe apparatus can accomplish the cooling of air inlet air current simultaneously, have simple structure, characteristics that the radiating effect is good.