Since the first radio-and-television-owned MCN in China was founded in 2018，more than 20 radio-and-television institutions across the country has established their own MCN，showing that the process of mainstream media MCN expansion is speeding up. Earlier MCNs such as MANGO MCN have their industrial chain completed and have stepped in the stage of brand upgrading，while recent ones are integrating multiple resources on the purpose of a rapid development. For instance，the Radio and Television Bureau of Zhejiang established “Bulu Culture” MCN by combining the strength of internal and external resources；the Radio and Television Bureau of Heilongjiang adopted the strategy of convergence to design the future layout；the “Lightening” MCN from the Radio and Television Bureau of Shandong has succeeded in balancing social and economic benefits；Chongqing Media MCN has put effort in film and television production and created a new business model based on content production and operation. In Practice，radio-and-television-owned MCNs has been exploring diversified business models，some of which have earned remarkable profits，showing the mainstream media the possibility of reconstructing their business ecology.