In 2020，the short video industry enters a relatively stable development period. The major commercial giants have settled in one after another，competing for the market，and the competition pattern is more and more distinct. With the spread of COVID-19 and the introduction of a series of new policies the short video in 2020 have a rapid development. The participants of short video industry chain are constantly enriched，the industrial ecology is gradually strong，and Tiktok and Kwai are developing strongly，and the characteristics of the audience group are more and more obvious. The overseas market of short video has begun to expand，and it is also facing the challenge of international relations. Cross border cooperation in the vertical field is constantly enriching its revenue model，which promotes the multilateral development of short video. In the future，the development of short video needs more professional and refined operation，focusing on user experience，and promoting the healthy and sustainable development of the industry.