It’s because it violates the rules. Generally speaking, as long as certain parts are not deliberately shown, normal swimsuit videos will not violate the rules.
Douyin is a music and creative short video social software incubated by ByteDance. This software was launched on September 20, 2016. It is a short video community platform for all ages. Users can choose songs through this software and shoot musical works to form their own works.
On the afternoon of January 18, 2019, CCTV held a press conference with Douyin Short Video, and officially announced that Douyin will 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 use participation instead of comments, use participation to guide attention, and help spread the Spring Festival Gala