From March 22, 2022, Henan Province assigned yellow codes to people who entered Henan from outside the province.

From 0: 00 on March 22, 2022, Henan implemented a policy for those who returned to Henan from outside the province.

Coding after entering Henan, and nucleic acid detection twice every three days.

Health management measures, such as

Following the principle of "coding in the province, territorial control and convenient decoding", the health codes in Henan Province will uniformly distribute yellow codes to those who return to Henan from outside the province. Code allocation will start the automatic transcoding function, and it will be done in the way of "automatic first, manual later".

The results of two nucleic acid tests within three days are negative, and the nucleic acid testing institutions will automatically turn green after uploading to the provincial comprehensive epidemic prevention and control management platform.

If the assigned code exceeds 7 days, if there is no abnormality, it will automatically turn into a green code.

; If the green code is not automatically converted within the time limit, you can register through Alipay-Henan Health Code-Health Code transcoding, upload materials as required, and automatically transcode after the appeal is passed.

All localities carried out nucleic acid detection and sampling for people who returned to Henan from outside the province. People assigned the yellow code can go home and stay in the hotel and wait for the result. Don't participate in the polymerization activity until the nucleic acid test is carried out twice in three days and the health code turns green.

This code allocation does not involve code red personnel, and its code allocation and transcoding shall be implemented in accordance with relevant regulations. The end time of this work, according to the unified requirements of the provincial epidemic prevention and control headquarters.