No background. According to Baidu Encyclopedia, Tik Tok's uncle and uncle are Tik Tok's good friends. They call each other uncles in the video, but ordinary people have no background. The video of Uncle Tik Tok's second uncle is synthetic. From 2020 to 20021year, two people spread positive energy on the vibrato short video platform, and promoted the anti-fraud app through Lianmai, which also publicized the positive energy of the country, so it also became popular on the Internet.