EPP household appliance packaging box convenient to transport

The EPP household appliance packaging box convenient to transport comprises an outer box body, a base is fixedly arranged at the bottom of the outer box body in a sleeved mode, four sliding supporting mechanisms are arranged on the two sides of the base respectively, each sliding supporting mechanism comprises a supporting leg and a sliding block, an inner box body is fixedly installed in the outer box body through a plurality of springs, and the inner box body is fixedly connected with the sliding blocks. The packaging box has the advantages that the packaging box is convenient to move and park through the four supporting legs, the four sliding blocks, the four adjusting sliding grooves, the four first screws and the four universal wheels with the wheel brakes, the shockproof performance of the packaging box is improved through a plurality of springs, and the packaging box is convenient to disassemble and assemble. The packaging box is convenient to open and assemble through the two dismounting sliding groov