In 2019，the commercialization of 5G is officially started. The digital economy with data as the key factor of production provides strong impetus for the economic and social development of our country. New media has become an important helper in professional and intelligent social governance，and the modernization level of network governance capacity has been enhanced. At present，the development of the Internet and new media in our country has shown the following characteristics：the construction of an all-media communication system has been continuously promoted，new technologies have driven the expansion of the boundaries of Internet applications，the COVID-19 epidemic has become a practice and effect inspection site for the construction of new media for government affairs，and the development of industrial Internet and the digital transformation of life services have been accelerated. The role of new information technology and new media platform in supporting epidemic prevention and control and resumption of work and production has become prominent，and information-driven leading role has been strengthened. Livestream e-commerce has become a phenomenal online sales mode. Contents of short video evolved from wild production to high quality. Remarkable results have been achieved in the special Internet rectification of new technologies，applications and hot spots. In terms of network security equal emphasis has been placed on both security and controllability and openness and innovation. Internet enterprises have achieved staged results in overseas market and new media development abroad have become an important means of telling the story of China. With the continuous development of new media，some issues cannot be ignored：cyber security risks caused by digital economy globalization are aggravating，digital governance capacity needs to be improved，and the construction of a community of cyber social governance is to be strengthened urgently.