The background picture of girls' circle of friends says welcome to Xinwo.

Girls writing "Welcome to the New World" in the background of friends circle may have the following meanings:

1. Welcome to the new world: this may mean that she is willing to start a new stage or a new journey. She may be experiencing some changes, such as moving to a new city, starting a new job, or other major changes in her life.

2. Welcome to my circle of friends: If she wrote this on social media, it may be that she welcomes someone to join her social circle. This person may be her new friend, new colleague or someone she knows in real life.

3. Welcome to my blog/website: If she wrote this on her blog or website, it may be that she welcomes visitors to visit her blog or website. She may be a blogger or website owner, and she looks forward to sharing her views and ideas with visitors.

Therefore, "Welcome to the New World" may have different meanings in different situations. You need to judge what she wants to say according to the specific situation.