Tik Tok application. Tik Tok invited Zhu Xiaoping, a well-known expert in character education for teenagers, to answer questions online on September 29th, and held an offline seminar on "Elite Class for Teenagers' Character" from June12 to June 13. Senior tutor who loves the natural vitality system, CEO who loves the offline operation of the natural vitality system, proponent of the concept of "micro-education", and national adolescent character education expert. Founder and principal of Li Zhiwei Education, excellent tutor of family education in Jiangsu Province, expert consultant of family education in Yangzhou and Hanjiang District Education Bureau, and deputy secretary general of family education professional committee of Yangzhou Education Association.