Under the background of the rapid development of the short video and webcast industry，after completing the differential positioning，the head Internet celebrities headed by Li Jiaqi and Li Ziqi in 2019 began to cultivate their own style and “brand” themselves through continuous video output. radiate outward with a mesh structure together with many derived sub-brands. This paper analyzes the video released by Li Ziqi and Li Jiaqi in 2019 as an example，and summarizes its video characteristics，transmission law and its impact on the industry and even society，in order to see the whole through a small part. it reflects the development law of the whole online celebrity video field.