A paper box is a three-dimensional structure formed by the movement, stacking, folding, and enveloping of several flat surfaces. In the three-dimensional composition, the surfaces play a role in dividing space. By cutting, rotating, and folding the surfaces at different parts, the resulting surfaces convey different emotional expressions.

Paper box packaging primarily promotes and beautifies products through its exquisite design and decoration, enhancing their competitiveness. Since the shape and structural design of paper boxes are often determined by the characteristics of the packaged goods, there are numerous styles and types, including rectangular, square, polygonal, irregular paper boxes, cylindrical shapes, etc. However, the manufacturing process is generally the same.

Paper products packaging is a type with significant demand in the packaging industry. Cartons are the primary form of transportation packaging, while paper boxes are widely used for the sales packaging of various products such as food and electronics.