1. Open WeChat, switch to the "WeChat" tab interface in the WeChat interface, and open a friend's chat window in the chat log. 2. Enter "faxinxi" in the text box. La "code (no need to enter double quotation marks), and then click the" send "button. After sending successfully, click "Send Message". La "will enter the information assistant interface. 3. It may be wrong to enter the information assistant interface in this way. You can pay attention to WeChat official account messagehelper to enter this interface. Click the "+"button in the upper right corner of the address book interface, select the "Search Number" option, enter messagehelper, and click the "Find" button.