The marine fire door contains a fire door frame and a fire door panel. One side of the fire door panel is hinged to one side of the fire door frame, and the other side has a door lock and a handle. It is characterized in that there is an escape port on the fire door panel, and a small wind grille door panel is provided at the escape port. This kind of marine fire door can not only ventilate the cabin, but also allow personnel to escape in time when a fire occurs and the door cannot be opened.