Carrying trolley for express industry

The carrying trolley for the express industry comprises a bottom plate, a plurality of moving wheels are fixedly arranged on the lower side wall of the bottom plate, a stand column is arranged on the upper side wall of the bottom plate in a rotating mode, a plurality of containing plates are evenly arranged on the outer side wall of the stand column in a sleeving mode up and down, the containing plates are polygonal, and a plurality of protection plates are arranged on the outer side walls of the containing plates in a rotating mode. The free ends of the protection plates can rotate downwards and are perpendicular to the containing plate, a plurality of elastic mechanisms corresponding to the protection plates are further fixedly arranged on the side wall of the containing plate, the elastic mechanisms can clamp the corresponding protection plates, and the free ends of the protection plates cannot rotate downwards. The device has the advantages that by arranging the multiple layers of containing plates, the c