A video collection created by Professor Cui Yu in Tik Tok aims to improve his autonomous learning ability. His Tik Tok number is 82796230540, and he has 16 1573 fans, and has received 434775 likes.

For more than 20 years, hundreds of thousands of students have been admitted to ideal universities, and they can get high marks without making up classes. Deputy Head of the National Research Group of Cultivating Education and the Expert Committee of China Working Committee were invited to study.