The development of online commentary media channels is closely related to the history of the birth and development of the Internet in China. This report divides the development phase of online commentary channels into the starting phase，growth phase，flourishing phase and stationary phase，and described the development of each phase in detail. This report also classified existing media channels and summarized media characteristics of different types of web portals and social media platforms. At the same time，the evolution of online commentary media channels is inseparable from the technical support of Internet development. This report continues to explore the technological path changes behind the media channels，and comprehensively analyzed the influencing factors of technology，users，and capital to media channels in the evolution of China's online commentary.