According to Xingchen Online, Liu Sha, a member of the Changsha CPPCC, made a report at the fourth meeting of the 12th CPPCC Changsha Municipal Committee held today, stating that currently, the application of blockchain technology has gradually expanded from the initial financial field to government services. , Supply chain management, industrial manufacturing, etc. In some countries, this technology has been applied to the field of food safety. Practice has proved that the use of blockchain technology can make those counterfeit, inferior, high quality and even harmful food "what can be done", so that the people understand consumption and rest assured. He suggested building a quality chain with a blockchain and reshaping the food distribution system.