Provided is an artificial intelligence refrigerator. The artificial intelligence refrigerator includes a cabinet defining a storage space, a door opening and closing the cabinet, a transparent display assembly which covers an opened see-through part of the door and through which an inner space of the artificial intelligence refrigerator is seen, and a screen is outputted, a display PCB controlling an operation of the transparent display assembly, a voice recognition unit connected to the display PCB to process a user's voice signal, and a microphone connected to the voice recognition unit. The display PCB outputs output screens of the transparent display assembly in stages according to a processing state of the voice signal when a user's voice is inputted.