41 years old.

Douyin is a music and creative short video social software incubated by ByteDance. The software was launched on September 20, 2016. It is a short video community platform for all ages. Since the birth of imaging technology, the most popular short video worldwide is music video. However, it is difficult to shoot MVs. There are many people who can randomly act in front of the camera, and there are not many people who can speak and sing to the camera anytime and anywhere.

On the afternoon of January 18, 2019, CCTV held a press conference with Douyin Short Video, officially announcing that Douyin would become the exclusive social media dissemination of the "2019 China Central Radio and Television Station Spring Festival Gala" Platform, the new media action of "Another Happy Year" for the 2019 CCTV Spring Festival Gala was announced at the meeting. Douyin will carry out all-round and in-depth cooperation with the CCTV Spring Festival Gala in the fields of short video promotion and social interaction to mobilize young people and face the world. Chinese people help spread the Spring Festival Gala.

On July 30, 2020, the Beijing Internet Court issued a verdict and determined that Douyin App had infringed on users’ personal information. On September 14, the Cyberspace Administration of China announced that there is a large amount of bad information and behavior in the Douyin APP that induces minors to participate in supporting charts, spend large amounts of money, and incites and incites young fan groups to fight and abuse each other.