The Guangzhou People's Congress Research Group called for the application of blockchains in the food safety field of online catering services.

On September 28th, the 27th meeting of the Standing Committee of the 15th National People's Congress of Guangzhou was held. The Economic Work Committee of the Standing Committee of the Municipal People's Congress reported on the special investigation on the food safety supervision of online catering services. The research team suggested to promote online catering service foods such as big data, Internet of Things, 5G, artificial intelligence, blockchain and other technologies in network public opinion monitoring and analysis, platform data capture analysis, food sampling monitoring, food traceability, practitioner management and training. The application of security field realizes intelligent and dynamic supervision of online catering service.