The invention relates to a storehouse door. The storehouse door comprises a door body main frame rotatably connected with a storehouse body, the door body main frame is hollowed out, an inner door frame is arranged in the door body main frame, the storehouse body is fixedly provided with an outer door frame corresponding to the inner door frame, and the door body main frame is provided with a door lock system for locking and separating the inner door frame and the outer door frame; the door lock system comprises an operation wheel, an intermediate drive mechanism and a lock core mechanism, the operation wheel drives the lock core mechanism to work through the intermediate drive mechanism, the lock core mechanism comprises a lock core bolt and a support sleeve for guiding the lock core bolt, the lock core bolt can penetrate from the supporting sleeve and extend into the lock tongue arranged on the storehouse body, and form a coupling with the lock tongue to form a suppression from the inner door frame to the outer door frame. The storehouse door realizes multi-directional position at which the door is adjustable; through a matching structure of a cone surface, the sealing performance of the door is improved; through the special opening on the side of the door body, the insulation effect is improved; through the adoption of a novel self-locking hidden door lock system, the operation efficiency and reliability are improved.