The year 2020 was unusual for the whole world. The unexpected COVID-19 pandemic had a strong negative impact on many industries，whereas the “Stay-at-Home Economy” has brought more traffic and longer user time to short video platforms. The scale of short video consumers has climbed close to that of Chinese netizens，and the competition in the industry is heating up. In this situation，each role of the industry has to explore innovative ways in order to accelerate the develop process based on existing resources. This report will elaborate on the role of each entrant-platforms，contents，creators，users，MCNs and the whole new situation they are faced with.