In recent years, the domestic packaging industry has developed rapidly. More and more products on the market are packed in round paper cans. Many snack foods such as dried beef and dried mango have also been added.

Color design occupies an important position in packaging design. Color is an important factor in beautifying and highlighting products. The use of packaging color is closely related to the entire concept of painting design and composition. Packaging color requires flattening and leveling. This is A high degree of filtering and refining of color. It is based on people's associations and habits. It is highly exaggerated and discolored. It is a means of packaging art. At the same time, the color of packaging must also be subject to process, materials, uses and Restrictions on sales territories.

The shape factor is the shape of the display surface of the product packaging, including the size, size and shape of the display surface. There are three common forms in our daily life, natural forms, artificial forms, and occasional forms. It is necessary to find a form suitable for any nature, that is, to call something with a common regularity an abstract form.