To share a group chat on Telegram, you can follow the following steps:

1. Open the Telegram settings interface, find "Group" and click "Create Group".

2. Click "Add Conversation" in the pop-up window, select the group you want to share, and click "Done" in the upper right corner.

4. After clicking Finish, write a group name (for example: food) under the group name, click "Create" in the upper right corner, and you will find that the grouping interface has a food column.

5. Return to the chat interface, long press "Food" under the search bar, and click "Share Group" in the pop-up window.

6. Click "Share", find and click the contact you want to share in the new window, and click "Send" below.