First, you need to know about software tools. There are AI, CDR, PS commonly used softwares for designing packaging schemes, and there are also softwares specially designed for packaging, such as ArtiosCAD. Secondly, before packaging design, we should consider the size, transportation protection, material and practicality of the product, the appearance design conforms to the product characteristics, and the advertising language attracts consumers' attention. Finally, model and simulate the final product effect.