It is not uncommon for eggs to have QR codes now, but agricultural products with traceable QR codes of ant blockchain can have more benefits. This QR code is the information of goods in raw material process, production process, circulation process, marketing process and so on. , digitally signed by each corresponding theme, and written into the blockchain with time stamp, which cannot be tampered with. It is also accurate to the whole process of one object and one yard, which is convenient for consumers to scan the code for traceability verification. It can be said that the ant blockchain is making life better through technology.