2. Secondly, after entering the official account of WeChat, enter the Qingcheng code.
3. Finally, after entering the official account of Qingcheng Code WeChat, click Qingcheng Code and enter personal information to query the red, green and red code personnel. After discharge (cabin), isolation removal, risk elimination or area adjustment to low risk (risk level is subject to the announcement), the health code will automatically change to green code.