Short video has become the main form of online entertainment for a growing number of netizens. As a platform enabling anyone anywhere to express themselves and share their lives with huge online communities, Short video has generated a thriving culture. Artificial intelligence has penetrated into various areas of the short video ecosystem, but most visibly through technologies related to computer vision, face recognition, feature acquisition, image semantic segmentation and so on, which have helped creators build and present more diverse online personas. Short video is well positioned to grab a piece of China's growing online video industry market, which jumped from CN¥24.9 billion (US$3.5 billion) in 2014 to CN¥95.2 billion (US$13.5 billion) in 2017 and is expected to reach CN¥191.6 billion (US$27.1 billion) in 2020. TikTok is a Chinese video app for social media that launched globally in 2017.