It refers to some self-media accounts on Weibo.

Ai’s classmate Amy has 182,000 followers and is certified on Weibo as a food blogger.

Teacher Ai, 1.325 million fans, Weibo certified: digital blogger, author of headline articles.

Student Ai shares her daily life on Weibo, including food, travel, etc., which has attracted the attention and love of many people. Ai also often shares her dressing and beauty and skin care experiences on Weibo, providing many practical suggestions and help to many fans.