Health codes are based on real data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city.
Communication Big Data Travel Card was jointly launched by the State Council Client applet, Ministry of Industry and Information Technology, China ICT Institute and three major operators. Using the communication big data of China Telecom, China Unicom and China Mobile, it provides travel inquiry service for 654.38+600 million mobile phone users nationwide. Support one-click query 14 days (stay for more than 4 hours) to visit countries (regions) and domestic cities. The green code of communication big data travel card means that you are not a suspected or close contact now, and you are in a relatively safe environment.
brief introduction
The application scope of health code covers community management, resumption of business, transportation, starting school, drug purchase registration, supermarkets and shopping malls, which can help communities, enterprises and schools to do key work such as epidemic prevention management and epidemic control.
In the prevention and control of epidemic situation and resumption of production, health code can realize efficient personnel flow management, improve the inspection efficiency of office buildings, shopping malls, subways, railway stations and other crowded places, and avoid excessive personnel contact and gathering.