Provided is an intelligentized power construction secondary connection drawing viewing device. The intelligentized power construction secondary connection drawing viewing device comprises a cabinet body system, a drawing storage system and a projection system; the cabinet body system comprises a main cabinet body, a closed door and a door body blocking mechanism; the door body blocking mechanism is arranged on a door body blocking mounting plate, and comprises a blocking box, a blocking soft magnet, a blocking reset spring and a blocking column; the main cabinet body is internally provided with multiple bearing plates distributed vertically at intervals, and the bearing plates divide an inner cavity of the main cabinet body into case unit space, drawing storage unit space and projection unit space; the drawing storage system comprises a drawing box, the lower ends of both sides of the drawing box are provided with storage moving guide rails, and the storage moving guide rails can be slidably arranged in a storage moving sliding groove from inside to outside; and the projection system comprises a slide projector, a projection lifting mechanism and a projection direction adjusting mechanism. The intelligentized power construction secondary connection drawing viewing device has the advantages that the sealing and storage of drawings can be achieved, and the drawings are viewed conveniently.