Baidu encyclopedia, in short, super fire. When the network was underdeveloped, he was already known to everyone. At that time, he was not a powder, but his classmates always talked about him. His stickers, posters and notebooks are sold at school, and many students in the class buy his things. His TV series is on TV and his songs are on the market. He has endorsed Samma, Pure, spris, McDonald's, Qingyang Shampoo, Pepsi ... more exaggerated in Korea. His posters, advertisements, songs and MVs are all over the street, and sometimes they are in the news.