With increasingly rich material life, people's requirements for packaging is not only to protect the goods against damage, while also requiring its preservation, antiseptic, antibacterial, anti-counterfeiting, extend shelf-life and many other features. New concept of packaging materials and packaging technologies. For example, in food packaging, recently developed by the truly efficient intelligent preservation of material made of a plastic film, which not only prevents pollution, but also good to prevent sun rays and prevent oxidation and other functions. This intelligent packaging can even in damaged packaging or storage warning signal when the temperature is too high. At present, many functional intelligent packaging materials and packaging technology also faces many to solve new problems and to overcome technological difficulties, will become important direction of development of the packaging enterprises.