If it is a yellow QR code, it only needs to be isolated at home 14 days. 14 days later, the system will automatically turn the yellow code into the green code, and the system will automatically turn the yellow code into the green code according to the cancellation list of yellow code personnel provided by the Health and Health Commission of the autonomous region. If it is a red QR code, the transcoding of confirmed patients and asymptomatic infected persons needs to be based on the discharge list provided by the autonomous region when the health is completed, and the system will automatically convert the red code into a yellow code.