The invention discloses a shared express box opening and closing structure and a method thereof.The shared express box opening and closing structure comprises a bottom plate, rotating unfolding devices are installed on the left side and the right side of the bottom plate correspondingly, telescopic unfolding devices are installed on the front side and the rear side of the bottom plate correspondingly, and the telescopic unfolding devices and the rotating unfolding devices adjacent to each other are rotationally connected through rotating shafts; an auxiliary cover device is installed at the end, away from the bottom plate, of the front side telescopic unfolding device, a main cover device is installed at the end, away from the bottom plate, of the rear side telescopic unfolding device, and space adjusting devices are arranged on the bottom plate left side rotating unfolding device and the bottom plate rear side telescopic unfolding device correspondingly. By means of the mode, the shared express box can be rapidly unfolded and folded, storage is facilitated, meanwhile, articles can be rapidly taken, whether the shared express box is opened or not can be rapidly recognized, the space in the shared express box can be rapidly adjusted, and filler consumed for fixing the articles can be reduced.