A group of invisible people with common topics and hobbies. Zhang Xin, born in Guangdong, 1996, graduated from Beijing Film Academy and is a film actress in China. Weibo's circle refers to an invisible range of people with common topics and hobbies. We often say entertainment circle, Hanfu circle and rice circle. Take rice circle as an example, which means vermicelli circle. The whole fan group is called "fans", and the circle they form is called fan circle, which is a new form for China entertainment circle.