Yantai, Shandong. Bigfoot is a blogger on the Tik Tok platform. According to her profile, she is from Yantai, Shandong. She usually posts some videos of extreme sweating and fat burning training in Tik Tok to share some weight loss experiences with netizens. Tik Tok is a short video social software for music creativity hatched in 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.