Cong Cong, a blogger of Tik Tok, became popular on the Internet with her fluent and standard Mandarin. His eloquent speech further stimulated the enthusiasm of netizens to practice Mandarin. Learning Mandarin is conducive to better communication with people. Mandarin is the common language in China, which solves the problem of estrangement caused by different languages in different regions. Mandarin is the symbol of our nation. Learning Mandarin is conducive to enhancing our national pride, jointly safeguarding the unity of the country and society, and enhancing national self-confidence.