The digital technology media and the platform carry the national culture mission，and it is a new problem of strategic height under the new normal. From the perspective of national economic，political，and cultural security，to recognize the security risk of cyberspace，and to link the development strategy of the enterprise to the security and stability of the country. The vigorous development of the new digital media continues to shape a more complex and developed the network space，based on the new digital media technology and platform of Ideological and cultural and ideological communication，blending and confrontation of increasingly widespread，frequent and in-depth，on China’s political security，cultural security have brought both opportunities more challenge. The security and controllability of the new media is the basis for the new media development strategy，and the network security industry has a unique role and mission in the new media development strategy. Digital media technology and platform for the industry must adhere to the comprehensive national security as a fundamental，and strive to create a safe and reliable network space，for the country to create forms and means of advanced and competitive new mainstream media escort，to promote the whole society formed three-dimensional diversity，integration and development of modern communication system laid the foundation.