Reusable packaging box

The utility model discloses a reusable packing box which comprises a gift box, a gift cover and a connecting block, and the gift box and the gift cover are movably connected through a rotating shaft. The gift cover, the connecting block, the storage groove, the positioning mechanism and the transmission mechanism are used in cooperation, the transmission mechanism drives the positioning mechanism to move, after the positioning mechanism moves by a proper distance, the gift cover and the gift box are in butt joint, the transmission mechanism is loosened, the positioning mechanism can fix the connecting block while resetting, and the gift box is convenient to use. The problems that existing gift boxes under fine packaging need to be sealed and sent out, in order to avoid scattering of the gift boxes, adhesive tape needs to be used for sealing the joints of the gift boxes, the gift boxes are reusable tools, and when the seals are detached, the adhesive tape needs to be used for sealing the joints of the gift box