The utility model discloses a packing box which comprises a box body and a cover body, a plurality of containing boxes are arranged in the box body, a storage box body is arranged in the middle of the box body, a magnetic attraction plate is arranged at the bottom of the box body, and the containing boxes and the bottom of the storage box body are attracted to the magnetic attraction plate in a magnetic attraction mode. An opening is formed in the position, matched with the storage box body, of the cover body, a base plate is arranged at the opening, a containing groove is formed in the upper surface of the base plate, and the containing groove is matched with the bottom of the storage box body. According to the packaging box, the magnetic attraction plate is arranged at the bottom of the box body, the containing box and the box bottom can be taken and attracted at will, the containing box can be arranged according to needs, after articles in the packaging box are taken out, a user can continue to use the packaging box as the containing box, and the discarding probability is reduced.