system version: EMUI 1.1.1
wechat version: 8..
1. log in to wechat and select a group chat or friend to send a message.
2. Click the smiley face icon.
3. Click the search icon above.
4. after entering, click.
5. Click Add to Expression.
6. You can see your favorite expressions in the love icon.
Tips
Earlier, there was a red word in the WeChat emoticon, and you can use it by clicking it. However, this function was cancelled in later updates, so we should pay attention to this.