Packaging box

The utility model discloses a packaging box. The key points of the technical scheme are as follows: a box body comprises a bottom plate; a front plate and a rear plate are connected to the two opposite sides of the bottom plate in the transverse direction of the bottom plate correspondingly. An upper cover plate is connected to one side, opposite to the bottom plate, of the front plate and/or therear plate in the transverse direction; after the bottom plate, the front plate, the rear plate and the upper cover plate are folded into a complete box body, the left side and the right side of the box body are provided with openings, and when the packaging box is specifically used, the following two methods can be adopted for boxing: firstly, a product is placed on the bottom plate, and then thefront plate, the rear plate and the upper cover plate are folded into the complete box body; 2, the front plate and the rear plate are folded firstly, the upper cover plate is not covered firstly, then a product is placed on