Each package or box of Dacheng "Sisters' Kitchen" chicken products and chicken processed food have a string of 10-digit security code, consumers enter the security code on the package can be informed through cell phones or logging "Sisters' Kitchen", including farms, breeders, time of entry and slaughtering, batch feed production information used, electric slaughtering plant, batch of fresh meat production and quality inspection information, food processing information and so on. The code includes information about the farm, the breeder, the time of entry and exit, the batch of feed used, the electric slaughtering plant, the batch of fresh meat production and quality control information, and food processing information.