The person with yellow code has abnormal body temperature when he reports himself or scans the code for temperature measurement, so he must be isolated at home for 7 days and excluded by nucleic acid detection. The medical observation and test results meet the prescribed conditions, and he can travel normally after the scan code temperature measurement is normal. Of course, some people turn yellow because of misoperation, but to be on the safe side, the identity code will be updated to green only after the nucleic acid test proves that there is no problem.
There are three health codes in China: green, yellow and red. Green has been turned into auspicious color by netizens. In 2020, the green health code will be of great significance to the people of the whole country. The green health code can pass freely within the permitted range.