Why are some people's health codes red and others green?

The reason why the health code is surrounded by green and red in the middle is because the red in the middle is the symbol of a region. Many regions will set a sign in the middle of the health code to identify which region the health code belongs to. Health codes are based on actual data and can be generated by citizens or people who have returned to work through online declaration and background audit. Health QR code

As an individual in and out of electronic certificate, the health code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.

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.