Dong Zi, formerly known as Fan Jingyu, is a famous family education expert, psychologist and best-selling author. Works: Engaged in adolescent psychological counseling and family education research for 20 years, published Critique of Chinese Mother Education (selected as one of the top ten family education books in 2008-2009), Mother Education Determines Children's Life, Details Cultivation Determines Children's Life, Three Years of Junior High School Determines Children's Future, and Father Education. Deciding a child's life: Chinese paternalism, China's example, the happiest tutor, happy education method 18, another way out of exams, and 360 psychological questions and answers for middle school students.

Daughter Fan Jiangguo studied while playing. It took her three and a half years to finish primary school and skip two grades in a row. 10 entered junior high school and published the best-selling book "Playing Primary School".