Now will introduce some basic requirement of food packaging bag，hope could help everyone.
1.Aesthetic
　　With the development, the aesthetic and requirement are increase. Meeting aesthetic demand will become the poit of packaging design. Only one picture of product can’t meet aesthetic demand before, which need more artistic. What is more, designer also used abstract way in order to make more artistic.
2.Rationality
　　It could be exaggerated, but not to overstate. More and more packaging design used artistic to represent the product characteristics, such as computer painting products, this method can make up for the lack of photographs,  and random combination of ingredients.
3.originality
　　The vast majority of food packaging on the market,  and how to make their products stand out from the many similar products,  which requires innovative, unconventional.
4.pertinency
       As some food, specifically for a range of consumers, in the performance of packaging need to highlight. Such as the elderly in the food, packaging traditional color also adopted the use of a deep stable color; children''''s food packaging lovely, colorful and often have some added value (for example, can act as a toy or collection)

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