Packaging carton convenient to disassemble and assemble

The packaging carton convenient to disassemble and assemble comprises a surrounding plate and two carton covers arranged at the upper end and the lower end of the surrounding plate respectively, each carton cover comprises two outer cover plates and two inner cover plates, the two outer cover plates are movably connected to the front side and the rear side of the surrounding plate respectively, and the two inner cover plates are movably connected to the left side and the right side of the surrounding plate respectively. A plurality of clamping plates are movably arranged on the inner cover plate on one side, openings corresponding to the clamping plates are formed in the inner cover plate on the other side, the clamping plates can penetrate through the openings and then extend to the upper end of the inner cover plate on the other side, inserting grooves are formed in the front end and the rear end of each clamping plate, and the side wall of the outer cover plate can be inserted into the inserting grooves. A