The Internet has profoundly changed the way media is produced. The media environment presents three major trends: "mobile, social, and visual. " The influence of these trends on the creation of online media is the foundation of the fan economy. The media are more rapid and convenient. It is closer to the psychological distance of fans, and the degree of organization of fans has greatly improved, which enables fans to more smoothly participate in the life of idols, and even change the life status and acting career of idols. In cultural industries such as TV series, fans The flow economy has been the main thrust of the industry: the price of single drama series has risen from 2.4-5 million to 4-10 million, and the increase has been paid by fans, and the artist's film pay and copyright fees have skyrocketed. The text is intended to explain:. ['Fan economy was born based on online media.', 'Convenient media to promote fan organization.', "Idol's acting career is deeply influenced by fans.", 'Fan economy promotes the development of the cultural industry.']