Yu Chunmao, male, born in 1962, studied at Nankai University at the age of 17. After graduation, Yu Chunmao studied in the United States at public expense, and obtained a master's degree and a doctor's degree, and then stayed in the United States to teach.

During his teaching, Yu Chunmao became the chief adviser of a senior official. In order to discredit his country, Yu Chunmao spared no effort to make suggestions, and many malicious tricks were his "proud works".

Not only did he provide the American imperialists with all kinds of poisonous tricks against the motherland, but Yu Chunmao also trumpeted that "America represents the best and last hope of mankind on earth" and "America is my reborn father, and nothing is more glorious than the American dog".