In recent years, with the rapid expansion of the integrated media and the wide-scale popularization of the mobile network, the short video technology and its applications have been hogging the limelight. To keep pace with the development of online news tendencies, the mainstream media has started entering into many short video platforms. To a certain extent, the mainstream media short video news is an important product of the internet and the digital media era. The short video has today become an emerging communication mode shared in real-time on the social platforms, which could integrate text, dubbing, video, and other elements to achieve the purpose of information transmission, while meeting the perception needs of the users through more intuitive and three-dimensional communication. Short videos cater to the fragmented reading habits of the public within a short time to achieve comprehensive transmission of communication content under the premise of excellence. This paper endeavors to analyze the characteristics of short video news in the era of rapid development of the new media by considering the short video news released by the official Tik Tok account of Xinhua News Agency as an example. The language of short video news is different from that of the traditional mainstream media news, whereas, the influence of the combination of official media news and the current hot short video transmission has been discussed. The transmission power of official media news could be optimized and improved through the use of short news videos.