In recent years,flexible electronic devices such as radio frequency identification (RFID ) tags and flexible sensors have been applied in the field of intelligent food packaging.The research progress of the application of flexible electronic devices in food quality inspection and food packaging in China and abroad was clarified,such as drug residue detection,microbiological detection,freshness detection,storage environment monitoring,tamper -evident packaging design,and logistics tracking.The development of flexible electronic devices in the field of intelligent packaging was also prospected.