1. First, open WeChat, drop it down, enter the code of Yukon, and click Enter.
2. Click on the code of Chongqing Jianlv.
3. Then click Login.
4. Then, in the page that opens, click My Yukang Code.
5. Then click Authorization Verification.
6. Finally, click Report Health Information, enter relevant information, and click Submit to query Chongqing Children's Health Code.
7. The above are the detailed steps of how to switch children's codes in Chongqing.