In recent years，China’s international cultural trade has shown a steady and rapid growth trend with the rapid development and application of Internet technology. In this process，the explosive development of the mobile social short video industry has also successfully attracted the attention of Chinese cultural enterprises. Many cultural enterprises have settled in the short video social platform to seek new development directions. The article discusses the concept，basic characteristics，development of short video，the success of Li Ziqi’s short video，its profit model and so on. We need to produce high-quality short video content，improve marketing models，and promote the development of Chinese cultural trade. At the same time，we must make full use of foreign social platforms to expand the development of international markets and build strength for China’s cultural trade.