Specializing in self-media training. It can be said that the founder of Coal Boss Business School started from the media. He started from a very low point, but he broke into the new media industry at the beginning of his business and became millions of fans in a few months. Moreover, a very mature training course has been created in the official WeChat account. Yang Kunlong is now a lecturer and has established his own company. WeChat official account, people who pay attention to him will know what he did. He also makes money by charging the media for online and offline courses.