In 2021，China’s short video industry keeps developing，the number of users and the scale of the market are continuously expanding. At the same time，new technologies，new fields，new orientations and new policies emerged one after another. Short video continues to deepen in the political，economical，cultural and social life of society，forming a complete industry chain with diversified content production，specialized integration and distribution，and comprehensive user market. Internally，it forms a double-leader pattern，while externally it leads a global trend. Besides，the short video industry is also facing challenges in the dissolution of the boundaries between short and long，the integration of new technologies and the core creation of content.