The ruler who initiated the imperial examination system.

First, the ruler of palace examination production is: Wu Zetian. In February of the first year (AD 690), Wu Zetian was about to become emperor. She asked Gong in the temple in Los Angeles, the capital of gods. Elites from all over the world gathered in Luoyang, and tens of thousands of candidates took the exam for several days in a row. From then on, the examinee passed the imperial court examination as a scholar.

Officially produced in Song Dynasty, it was used in Jin, Yuan, Ming and Qing Dynasties. Also known as imperial examination and court examination, that is, the examination of the emperor himself. Only those who choose in the final exam can take part in it, with the purpose of grading qualified candidates. The Jin Dynasty and its successors were divided into three parts: upper, middle and lower. Yuan Gong is divided into first, second and third grades. Mongolians and semu people are a single list, while Han people and southerners are a single list.

Ming and Qing dynasties are divided into three places along the yuan system, but they are not divided into two lists. In the early years of the Northern Song Dynasty, the imperial examination was an annual two-level examination. The first level is the "solution test" held by each state, and the second level is the "provincial test" held by the Ministry of Rites in Gong Yuan, Kaibao Temple. Later, it was changed to every other place or once every two years, and finally changed to once every three years.