The utility model provides a partition sealing door of a rescue capsule, belongs to the technical field of sealing doors for mining rescue capsules, and aims to provide a partition sealing door for the rescue capsule, which has a simple, light and handy structure, is simple and labor-saving to operate and is reliable in sealing. The utility model adopts the technical scheme that a door is mounted on a door frame through hinges; a rubber sealing strip is arranged at the joint of the door and the door frame; a handwheel shaft mounting base is welded on the door; a handwheel shaft is mounted in the handwheel shaft mounting base; a drive disk is arranged on the handwheel shaft at the end near the inner side of the door; four connecting rods are hinged on the drive disk; each connecting rod is hinged with a locking rod; operating handwheels are arranged at both ends of the handwheel shaft; guide blocks are welded on the door; the locking rods penetrate through the holes on the guide blocks; four compress wedge blocks are welded in corresponding positions on the door frame and the locking level; and the compress wedge blocks are matched with the locking rods. The partition sealing door provided by the utility model is mainly used as a partition door of the rescue capsule.