Whether it is Douyin s slogan Recording a Better Life or Quick Hand s slogan Recording the World to Record You, we always emphasize the recording function of short videos. In this sense, short videos have similar functions to documentaries. From a micro perspective Judging from the fact that short videos record only some fragmented content, but from a macro perspective, short videos record the overall style of an era. Unlike documentaries, short video records are a jigsaw-like record that aggregates Yu collaged the fragmented records of ordinary individuals' moments in life, and combined the rich and diverse perspectives to record the overall style of an era. The text is intended to emphasize:. ['Differences between short videos and documentaries.', 'Both short videos and documentaries have recording capabilities.', 'Short video records the overall look of an era.', 'Short videos record fragmented content.']