This is a new type of modern intelligent packaging technology. In food packaging, electronic indicators such as anti-theft, anti-counterfeiting, indicating time-temperature and indicating food corruption are installed. These intelligent devices (ie, consumer indicators) can tell consumers the real situation of the food they want to purchase. Time-Temperature Indicators (TTIs) are quality monitoring systems based on chemistry, mechanics, enzymology, microbiology, etc. They can indicate changes in the temperature of packaged foods and decrease in quality due to temperature changes. Level. TTI as the "consumer indicator" is its highest goal. Information packaging has been used in supermarkets in France, Italy and other countries.