Take the well-known consulting company of CUHK in China as an example. It is one of the earliest consulting organizations in China and the largest consulting company in South China. After nearly 30 years of development, the operating income of CUHK Consulting Company has been among the top five in China. In recent years, the number of employees has exceeded 500, providing comprehensive services such as consultation, training, evaluation and IT for customers such as government, state-owned enterprises, private enterprises, joint ventures and foreign enterprises. The scale of service enterprises covers 1 billion,1billion,1billion, and trillions. It can be said that it is a domestic head consulting company.