With the development of information technology，the digital age has quietly entered the public life. As a new type of social media，the mobile short video is quickly accepted by the public with its simplicity，entertainingness，fragmentation，multi-sensuality and strong interactivity. In the new media environment，short video creation has become the trend of social development. Short video creation，on the one hand，can promote the development of social culture； on the other hand，it also limits the spread of original culture. By analyzing the communication characteristics of mobile short video platforms，this paper analyzes their problems and impacts on the communication of Liangshan Yi culture，and puts forward corresponding strategies after sorting out the significance of this change on the inheritance and innovative communication of Yi culture.