Nowadays, the Internet is highly developed and self-media has emerged. As one of the new communication channels, self-media is favored by internet users and enterprises because of its rapid transmission of information and high interactivity. With the continuous improvement of people's living standard, the demand for spiritual and cultural aspects is also increasing, and the traditional TV media can no longer meet the growing spiritual and cultural needs of the public nowadays. Therefore, the

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... era of television media has to seek changes. Here comes the most popular form of content, short video. Among them, beeping technology area up master "Hello teacher, my name is He" with super high quality video content, eye-catching circle hot research for a large number of young audiences favored. The author believes that the study of the content of this self-media can help provide some insights for the development of science popularization self-media and similar science popularization short video uploaders. In terms of content, the author adopted the content analysis method to study the 43 videos of "Hello teacher, my name is He" in the past five years. The author found that: "Teacher, my name is He" videos are mainly divided into several aspects, such as in-depth experience evaluation, hot science videos and fan feedback videos; the update frequency and release volume of He showed a relatively stable dissemination trend, and the videos are mostly 5-8 minutes short videos.