Patent ID: 8807342

Claim:
A packaging box formed by coupling two packaging structures, wherein each of the packaging structures comprises: a baseboard comprising: a first side; a second side opposite to the first side; a third side for connecting the first side and the second side; and a fourth side opposite to the third side, for connecting the first side and the second side; a bugger platform disposed on the baseboard, wherein the buffer platform comprises a plurality of strip recesses arranged in parallel, and the strip recesses are disposed on a top surface of the buffer platform; a first sidewall standing on the first side; a second sidewall standing on the third side, wherein an interval exists between the buffer platform and the first and second sidewalls; a plurality of first coupling elements disposed on the first sidewall and the second sidewall; and a plurality of second coupling elements corresponding to the first coupling elements, disposed on the second side and the fourth side of the baseboard, whereby the two packaging structures are coupled by coupling the first coupling elements and the second coupling elements of one packaging structure to the first coupling elements and the second coupling elements of the other packaging structure.