Packaging is comprehensive expression of brand concept、product characteristics、consumer psycholigy. 

It directly affects consumers` buying inclination. 

Packaging is a powerful means to build an affinity between products and consumers. 

In globalized economy, packaging and goods have become an integtal part. 

Packaging, as a means to relize to commodity value and use value, plays an extremely important role in the fieds of production, circulation, sales and consumption. 

The function of packaging is to protect commodities, convey commodity niformation, facilitate use, facilitate transportation, promote sales and improve product added value. 

As a comprehensive subject, packaging design has the duality of combining commodity and art.