Imperial academy, founded in the Han Dynasty, is an ancient university in China. The name of imperial academy began in the Western Zhou Dynasty. The capital was established in Han Dynasty. During the period of Emperor Wu of the Han Dynasty, Dong Zhongshu put forward the suggestion that "I hope your majesty will rejuvenate the country and establish a master to support the people of the world". In the sixth year of Jianyuan (BC 135), imperial academy was established in Chang 'an. At Imperial College, a doctor was appointed as a professor. At the beginning, Dr. Wu Jing was established to teach Confucian classics such as poetry, calligraphy, ceremony, Yi, Spring and Autumn Period. When Xuan Di was in office, the number of doctors increased to 12, and when Wang Mang was in office, it increased to 30. Students are called "doctoral students" or "business students". When imperial academy was first established, there were 50 people, which increased to1000 when Emperor Zhao was in the Han Dynasty and to 10000 when Wang Mang was in the Han Dynasty. "Doctoral disciples" enjoy the privilege of being exempted from voluntary labor. "Selection of doctoral students" is selected by Taichang and selected by counties and countries. Emperor Wu of the Han Dynasty also ordered all counties and countries in the world to set up school officials, and initially established a local education system. Imperial academy and Hexian Sinology mainly cultivated feudal bureaucrats who ruled the people, but it also played an important role in spreading culture. From Wei and Jin Dynasties to Ming and Qing Dynasties, imperial academy and Guo Zi School were the highest institutions to impart Confucian classics.