From 230 years ago to 22 1 year ago, Qin Shihuang adopted the strategy of distancing himself from Lian Heng, and launched the war of Qin destroying six countries. Qin Shihuang destroyed Korea in 17 years, Zhao in 19 years, Wei in 22 years and Chu in 24 years.

Yan was destroyed in 25 years, and Qi was destroyed in 26 years. Finally, the first unified, multi-ethnic and autocratic centralized state in the history of China was established. After the reunification of China, the first emperor took a series of measures to consolidate the centralized political system. Politically, abolish the enfeoffment system and set up counties; Economically, cars are on the same track, and so is gold; Culturally, books are the same language; Ideologically, he dethroned a hundred schools of thought and respected magic alone.

Qin Shihuang was the first emperor.

Before Qin Shihuang, the governors of all countries were called "Jun" or "Wang". At the end of the Warring States period, Qin and Qi were once called "emperors", but this title was different at that time. Qin Shihuang, who dominated the world, thought that these titles were not enough to show respect for him, so he ordered his ministers to discuss titles.

After some discussions, the Prime Minister Wang Wan, Yu Shi Feng Jie, Ting Si and others thought that the government of the King of Qin was "Xingyi soldiers, killing disabled thieves and leveling the world", and its achievement was "unprecedented since ancient times, which was beyond the reach of the five emperors". However, Qin Shihuang was not satisfied with this. He only used the word "emperor" and added the word "emperor" under it because "three emperors and five emperors" created the title of "emperor".