The utility model relates to an intelligent terminal case cooling and dehumidification device, including the cabinet body, be equipped with outer air intake, outer air outlet, interior supply -air outlet, interior return air inlet on the cabinet body, the internal cooling dehumidification system that is equipped with of cabinet, cooling dehumidification system includes heat exchanger, internal circulating fan, condenser and locates the comdenstion water water -collecting tray of condenser below, heat exchanger's external admission end and outer air intake are linked together, and heat exchanger's the outer end of giving vent to anger corresponds the setting with outer air outlet, and heat exchanger's interior air inlet end and interior return air inlet are relative setting, and heat exchanger's interior air -out end inclines with the wind channel air inlet of condenser and is relative setting, the wind channel air -out side of condenser is relative setting with internal circulating fan's air inlet end, and internal circulating fan air -out end is linked together with interior supply -air outlet, it is external that the comdenstion water water -collecting tray extends to the cabinet through condensate drain pipe. The utility model discloses the conversion of cold and hot air in the intelligent terminal can be accelerateed, equipment cooling effect in the intelligent terminal is improved.