Card board box is logistics container unitization devices, the goods can be scattered away into a unified specification, a certain volume and unit weight of the goods. In the logistics system to deal with the vast majority of objects are groceries, they all shapes, sizes, it is difficult to adapt to the requirement of logistics operation mechanization and automation. However, the general cargo stacking unit in the form of card board on the card board box goods shape rules, can solve the above problems, and get two results: first, can use the forklift for loading and unloading, handling, greatly improve the working efficiency; Second, can use the unit goods format shelves in preservation, storage, improve the volume rate of warehouse.