1, open the mobile phone WeChat, and search for the official WeChat account health electronic card as shown in the figure.
2. Enter, click the Health Card in the lower right corner and select the National Health Card.
3. After entering the international government service platform, find and click the epidemic prevention health information code service as shown in the figure.
4. Then in the open page, find the unbound electronic health card and click OK, as shown in the figure below.
5. After successful operation, a pop-up window prompts that you can unbind the electronic health card, as shown in the figure.