On December 4, the 3rd CGTN Global Media Summit was held in Beijing. At the meeting, the "Blue Book on Global Communication Ecology" published by the Social Science Literature Publishing House was officially released. The Blue Book pointed out that the current global 5G battle has gradually transitioned from the original "standard battle" to "commercial battle". 5G commercial use in China is bound to reconstruct the global communication ecosystem. Under the leadership of 5G, technologies such as blockchain, artificial intelligence, cloud computing, and big data will interact, redefine the relationship between information and users, subvert and restructure the upstream and downstream industries of the media industry, and create the future of media mobility. , Data, intelligent new ecology.