Yan Dou (late Southern and Northern Dynasties),

Yanjing (there are four periods in Beijing's history called Yanjing: the second year of Tang Dynasty, the first year of Liao Huitong, the third year of Jin Tianhui and the tenth year of Genghis Khan in Mongolia)

、

Zhuo Jun (the sixth year of Emperor Gaozu),

In the first year of People's Republic of China (PRC) after the establishment of the new follwed, Zhuo County was renamed as County.

Later, in the Eastern Han Dynasty, it was also called Zhuo Jun.

In the seventh year of the Three Kingdoms Wei Dynasty (AD 226), Zhuo Jun was renamed Fanyang County, and its jurisdiction was still in Zhuoxian County (now Zhuozhou City, Hebei Province). During the Jin, Southern and Northern Dynasties, the war in the north continued, and its name changed, and the areas under its jurisdiction also changed many times.

In the third year of Huang Kai (A.D. 583), Emperor Wendi streamlined the local administrative organization and changed the state, county and county into two levels. Starting from Zhuo Jun, the area under its jurisdiction was merged into Youzhou.

In the third year of the Great Cause of Sui Dynasty (AD 607), Youzhou was renamed Zhuo Jun County.

Youzhou (three years in Huang Kai),

Nanjing (Liao Dynasty),

Zhongdu (rulers from Jin Shizong to 12 17),

Dadu (the capital of the Yuan Dynasty, the capital of the Yuan Dynasty),

Shi Jing (the capital of Yongle Emperor in Ming Dynasty, then known as Shi Jing),

Shuntianfu (Ming and Qing dynasties, decided after eight years of Qianlong),

Beiping (Beijing was called Beiping 1368 in early September),

Beijing (Beiping was changed to Beijing on September 27th, 1949).