5G technology is gaining waves for development of short video again. Foreign professional media have taken advantages of the powerful young user resources and technological innovation of social platforms to distribute video content. Social platforms actively create original stories to enhance their own influence. The boundaries between media and platforms are becoming increasingly blurred. This report explores relevant cases of convergence between foreign traditional media and short video，and focuses on the feasibility strategies and successful models of traditional media and social short video in the interactive development process. As the deepening of the process of foreign media integration，short video will become the first language for mobile users. The production of short video content will focus more on creativity and interaction. The trend of media platformization and platform medialization become salient. Domestic media can assimilate and draw on foreign successful experiences，from aspects of promoting high-quality short video content，enriching creativity of short video，enhancing the social value of short videos and so on，to improve themselves and stand out of high competition on the field of short video.