A leader is a person who is respected by everyone because of his high esteem or outstanding achievements. Taidou is the abbreviation of Taishan Beidou. Judging from the Biography of Han Yu in the New Tang Dynasty, Han Yu praised "Tai Shan Beidou": "Since he recovered from his illness, his ci has been well-known and praised by scholars as" Tai Shan Beidou Cloud ".

There is also an allusion about a leading figure, Han Yu, a writer in the Tang Dynasty, who is good at writing ancient Chinese. After his death, his articles were widely circulated. Scholars at that time compared him to the big dipper on Mount Tai and admired him very much. At first, people compared Han Yu to Mount Tai and Beidou to show their admiration for this writer. Later, people used the word "master" to refer to people who have made outstanding achievements in a certain field and are famous and influential in society.