Teacher Nan Nan is a master of Tsinghua and a doctor of Imperial College of Technology. She won many honors. It is true that she shares the learning methods of primary school and junior high school on the educational platform every day, such as morning reading, preview, reading and writing.

Tsinghua Nan refers to Professor Joy Chen, doctoral supervisor of Tsinghua University Academy of Fine Arts, who has been working in Oracle Bone Inscriptions for nearly 20 years. He won the Tsinghua University Young Teachers' Teaching Excellence Award, the Guanghua Longteng Award in 2009, and the honorary title of Top Ten Outstanding Young People in the 4th China Design Industry in 2008, which also proved that he is an excellent teacher.