The invention belongs to the technical field of power equipment, discloses a novel refrigerating intelligent dehumidification device for a power cabinet and aims at solving the problems that the refrigerating dehumidification device in the prior art is low in dehumidification efficiency, large in volume, inconvenient to monitor and the like. The refrigerating intelligent dehumidification device comprises a machine case, a semiconductor refrigerating plate, a controller, a driver, a humidity sensor and surface-mounted temperature sensors, wherein a refrigerating surface of the semiconductor refrigerating plate is located in a condensation chamber with an air inlet; a heating surface is located in a cooling chamber which is provided with an air outlet and is provided with a cooling fan; and a circulating irreversible air duct is designed between the air inlet and the air outlet, so that hot air is blown towards the refrigerating surface when blown out of the dehumidification device; the surface-mounted temperature sensors are arranged on the refrigerating surface and the heating surface of the refrigerating plate; the air inlet is formed in the humidity sensor; the controller is electrically connected with the surface-mounted temperature sensors, the humidity sensor, the diver and the cooling fan; and the driver is electrically connected with the semiconductor refrigerating plate. The refrigerating intelligent dehumidification device is suitable for various power cabinets for dehumidification.