The green code can pass directly, the red code is isolated 14 days, and the yellow code is isolated within 7 days.
Health code is a personal two-dimensional code based on actual real data, which is generated by citizens or people who have returned to work on their own online declaration and background audit. As an individual in and out of electronic certificate, the QR code can be declared at one time, which is universal throughout the country. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.