With the support of artificial intelligence generated content (AIGC), digital media based on mobile networks have made an overwhelming impact, which is unstoppable and needs no resistance. In this general trend, whether it is a leader or a captive, everyone is moving forward, drawing a picture of themselves, and awakening the world is imminent. The paper takes digital media platforms Zhihu,
... [Show full abstract] Douyin and Xiaohongshu as the objects to give a portrait of people. Firstly, the history and marketing model of Douyin, which is mainly short videos, and Xiaohongshu, which started with shopping, and Zhihu, which is knowledge-based, were investigated; Subsequently, a large number of social surveys were conducted to draw some meaningful conclusions. In short, digital media that enjoy entertainment, learn knowledge, and think about society are all based on interests as glue, knead actors and audiences, communicators and listeners together. In fact, it is difficult to distinguish who is the actor and who is the audience. Everyone is carnival-like, some people are making profits from it, some people are having fun from it, most of them are ignorant and waste their time. In the long run, the consequences for the countrymen are worrying and worth waking up.