Domestic enterprise trainers are mainly divided into Shanghai school and academic school. Academic school refers to professors and teachers in universities. They have rich and perfect theoretical knowledge and a certain theoretical height, but they have no real practical experience in enterprise management. Representative figures are Liu Feng, Yi Zhongtian and Yu Dan. Shanghai School refers to a person who has served as an executive in the world's top 500 enterprises or well-known enterprises for many years and has rich management experience and some management opinions. Representative figures are, Yang,,, Bai Guowei,, Lu Jia, He, etc.