As of December 31, 2021, the number of registered users of Douyin has reached 2.5 billion. The reason is that as one of the most popular short video platforms in the world, Douyin has attracted hundreds of millions of users from all over the world, with Asia being one of its most important markets. In addition, Douyin has continued to innovate and optimize its product functions, making the user experience smoother and more diversified, further attracting more users. The growth in the number of Douyin users also indicates that its market share is constantly expanding, and it also provides important support for the improvement of its commercial value and brand value. With the continuous increase in the popularity of smartphones, video content has become an indispensable part of users' daily lives, so it is expected that the number of Douyin users will continue to grow.