Where is this picture from? What's the significance of using this for WeChat avatar?

This picture was painted by Bai Xiu. He is a very good illustrator and has painted many pictures of ancient beauties. This is one of them, and its meaning may just look classical.

If you want to chase her, you can fully understand her hobbies and talk to her about her life ideals. It may also be because she is a traditional and classical beauty, so just don't be too radical when chatting with her.

Attached below is the classic beauty of Baixiu.