Useful. Ear exercises can stimulate healthy qi, promote blood circulation and remove blood stasis, and help to treat headache and dizziness and prevent colds. In addition, it also has the functions of improving eyesight, hearing and beauty. Therefore, it is very useful to broadcast ear exercises live in Tik Tok. Tik Tok, a short video social software with musical creativity, was hatched by ByteDance. The software was launched on September 20, 2006. It is a short video community platform suitable for all ages. Users can choose songs, shoot music works and form their own works through this software.