1. Open the home page of WeChat, click the "+"button in the upper right corner and select "Add Friend".
2. Select "WeChat Official Account" in the pop-up window, and enter the keyword "Health Certificate Information Service" in the search bar.
3. Click the "Search" button below to find it.
4. In the search results list, find and click to enter the official WeChat account page named "Health Certificate Information Service".
5. Enter this page, and you will see a query input option.
6. By inputting the ID number or specific health assessment parameters, click the "Query Individual" button to complete the search for the fake identity of the relevant individuals.