The utility model discloses an enclosed switch cabinet intelligence dehydrating unit, the intelligent cabinet temperature adjusting device comprises a cabinet body, the internal baffle of installing of cabinet, a plurality of low -pressure chambers are separated into with the cabinet body to the baffle, are equipped with except that the moist chamber at the lower extreme of low -pressure chamber, humidity transducer is installed on the top of low -pressure chamber, the bottom of low -pressure chamber all is equipped with venthole and inlet port, the dehumidification indoor location has air pump, dehydrating unit and controller, dehydrating unit includes air vent, drier filter core and exhaust hole. This dehydrating unit's the air pump air in with the low -pressure chamber is taken out through the venthole, and the rethread air vent gets into dehydrating unit, and moisture among the drier filter core adsorption of air in the dehydrating unit dehumidifies to the air, and the air of dehumidification is last to get into the low -pressure chamber through the air duct to this realizes the purpose to air dewetting in the low -pressure chamber, and it influence the problem that will you please the enclosed switch cabinet safety and stability move to have solved air humidity.