How often does the imperial examination take place?

Once every three years

The Palace Examination

The highest section in the imperial examination. The emperor visited the palace in person and issued a plan to test the Chinese-style tribute officials, which was called the palace test. Also called "Ting test" and "Ting Dui". It originated from the emperor's personal promotion of virtuous literary scholars in the Western Han Dynasty. It began in the second year of Wu Zetian Tianshou's appointment in front of the Luoyang Palace, but it has not yet become a custom. In the eighth year of Kaibao's reign in the Song Dynasty, Taizu held an examination in Jiangwu Hall to examine the qualified candidates of Gongyuan, and awarded the rankings. Since then, it has been a regular system.

In the eighth year of the Taiping and Xingguo reign, the Jinshi after the palace examination were divided into the top five. There was no imperial examination in Yuan Dynasty. After the imperial examination in the Ming and Qing Dynasties, the imperial examinations were divided into three categories: first-level, three-level scholarships were awarded to those who passed the exam, and were commonly known as number one, second place, and third overall; second-level were awarded to Jinshi origins, and the first was known as Chuanlu; third-level was awarded to those with the same background as Jinshi.

Extended information:

The Imperial Examination, also known as "Imperial Examination", "Ting Examination", "Ting Dui", etc., was an important part of the Tang, Song (Jin), Yuan, Ming and Qing dynasties. One of the imperial examinations. The palace examination is planned internally and then submitted to the emperor for selection. The purpose is to distinguish and select officials.

The palace examination is the imperial examination. The highest section was created by Wu Zetian in the Luocheng Hall of Ziwei Palace in the divine capital, so it started in the Tang Dynasty. The first person in the palace examination was named Zhuangyuan.

After the results of the palace examination were completed, the emperor held it in the Hall of Supreme Harmony. The grand ceremony is held to announce the results of the palace examination. The first-level candidates are divided into three, namely the number one scholar, the second-ranked scholar, and the top candidate, who are awarded the highest rank; the second-level candidates are awarded to those with the same background as the third-level candidates; The first place in the top three is called Chuanlu.

Reference: Baidu Encyclopedia - Imperial Examination