It spreads high-quality content to more users through users uploading and sharing short video content, as well as the platform's recommendation algorithm. The specific reasons are as follows: It spreads high-quality content to more users through users uploading and sharing short video content, as well as the platform's recommendation algorithm.

1. Users upload and share short video content: As a short video platform, Douyin allows users to upload and share their own short video content. Users can use Douyin's shooting and editing functions to create a variety of interesting and creative videos to attract the attention and sharing of other users.

2. Platform recommendation algorithm: Douyin recommends short videos that suit users' tastes to them based on their interests and preferences through a powerful recommendation algorithm. This recommendation algorithm analyzes and learns based on the user's browsing history, likes, comments and other behavioral data, and continuously optimizes the recommendation results so that users can see more interesting content. The success of the platform lies in the interaction between user creation and platform recommendation. The short video content uploaded and shared by users attracts more users' attention and participation, and the platform's recommendation algorithm can spread these high-quality content to more users, forming a virtuous circle. At the same time, Douyin also cooperates with celebrities and Internet celebrities to provide more attractive content, attract more users' attention and participation, and further promote the dissemination effect of Douyin. In short, the core of is the mutual promotion of user creation and platform recommendation, providing users with a rich and diverse short video content platform.