Mao Junfeng is a famous mathematician. Researcher, Institute of Mathematics and System Science, China Academy of Sciences, Professor, School of Mathematics, Shandong University. Mao Junfeng has made outstanding achievements in the field of mathematics and won many famous mathematics awards at home and abroad.

Teacher Mao is an educational blogger who shares teaching videos on the vibrato platform. It mainly shares knowledge points and teaching videos of various subjects in primary and secondary schools, which are deeply loved by students and parents.