What does the green code do?

1. The green QR code representing personal health in Alipay is called Health Green Code. It has three colors, green, yellow and red.

2, the use of health code is to help prevent and control management through digitalization, which adds wisdom and strength to win the epidemic.

3. Hangzhou health code is dynamic and will be refreshed every time it is opened. In other words, the color of the user health code can be changed. The color of "health code" is not only based on the behavior track of (the parties) in these two days, but also based on the previous behavior data to analyze whether they have consciously contacted the suspected or diagnosed person.