At the end of the Warring States period when rituals and music were broken and heroes were vying for the throne, the Qin State, which was facing the disaster of national subjugation, was surrounded by great powers and emerged in the forest of iron-blooded competition among great powers. Beginning with Qin Xiaogong, he had to work hard, make thorough changes, uphold the rule of law, and unify political orders. After more than 160 years and six generations of leaders' unswerving pursuit, they completed a great imperial revolution, wiped out the Liuhe and unified the world, and established a strong and unified empire.