Packaging box

The utility model relates to the field of packaging boxes, in particular to a packaging box which comprises a packaging box body, a box bottom is arranged at the bottom of the packaging box body, box plate assemblies are arranged at the upper end and the lower end of the box bottom, each box plate assembly comprises an upper box plate, a lower box plate, a connecting plate, a clamping block and an arc-shaped clamping groove, the connecting plates are arranged at the bottoms of the upper box plate and the lower box plate, and side box plates are arranged on the side faces of the box bottom. Connecting assemblies are arranged on the two sides of the side box plate, two buckle assemblies are arranged on the side box plate, each buckle assembly comprises an opening and closing plate, a connecting plate, an arc-shaped hole, an arc-shaped block and a pull ring, and the connecting plate is arranged at the upper end of the opening and closing plate. According to the utility model, a clamping plate and a clamping groo