2. On the main interface of WeChat chat, we click the "Address Book" tab below.

3. Next, in the opened address book page, we find and click the "Label" menu item.

4. At this time, all tabs of WeChat will be opened. In the page, we find the tab where we want to add friends, and click to open it.

5. Next, in the pop-up editing tab, we click the "Add" button below.

6. At this time, the page of selecting contacts will pop up, where we can select the friend nicknames to be added in batch. In this way, the selected friends can be added to the tag in batches.