You can download barcode tracking software on your mobile phone. Bar code traceability software is an important part of the national food safety traceability platform, and it is a demonstration project of Internet of Things application for key food quality and safety traceability determined by the National Development and Reform Commission. Mainly for national food production enterprises, to achieve food traceability, anti-counterfeiting, supervision. Led by the General Administration of Quality Supervision, Inspection and Quarantine, China Article Coding Center is built and maintained, and used by the government, enterprises, consumers and third-party institutions. Barcode Traceability consists of home page, search, scan, history and more modules. The functions that the software can complete are: the function of bar code is mainly to trace the information of goods, and the bar code of a commodity can scan the bar code information, which only shows that the commodity does exist and has recorded information. The bar code is marked with information such as manufacturer, place of origin and product type. Registered barcodes are universally recognized. China Article Coding Center is a branch of the international bar code organization in China, which belongs to the General Administration of Quality Supervision, Inspection and Quarantine, but the bar code itself does not have anti-counterfeiting function. "At present, the most authoritative database in China is the database of China Article Coding Center, and its data is directly uploaded to the platform by manufacturers, but not all software can be used. Therefore, the public must choose more authoritative software such as barcode traceability.