How to bind the two health codes of Bagui?

You can also click "multi-code display", so that the health codes of more than two people can appear.

Of course, you can get the health codes of two or more people on one mobile phone. This operation is to add a code, mainly because any ID card bound to an ID card has only one health code. You can find more health codes on the same mobile phone. For example, after opening the health communication code, click the communication code to try it first. This is the health code of my accident. You can also click "multi-code display", so that the health codes of more than two people can appear.