2. Consulting industry refers to all kinds of industries characterized by consulting services in the tertiary industry. Because of its intellectual service, it is also called "brain industry". Ask an expert for advice, which is called "borrowing the brain". As an intelligence-intensive knowledge service industry, consulting in the modern sense refers to the specialized skills from external individuals and organizations. Based on professional knowledge, information and experience, it provides solutions or decision-making suggestions for different users' needs. The word "consultation" means consulting, inquiring, planning and soliciting opinions in Chinese. At first, consultation and inquiry were two words, information desk and information desk. The word "consultation" was first found in the Book of Songs, and there is a poem "riding fast, loving consultation in a week", which means that the monarch condemns the envoys and asks them to visit the people's sufferings carefully to show the world. In ancient times, counselors, parliamentarians, military advisers and diners who made suggestions for rulers were all people who specialized in consulting activities. Of course, China's ancient consulting activities and his understanding of the word "consulting" were random and random, which was different from modern consulting activities.