Wang Fuzhi's sword means: Because ancient people wore a sword around their waist, and the sword was very long and heavy, it took a lot of time to pull it out. At that time, the situation of the king of Qin was very critical, and it was impossible to draw his sword slowly while running. If the sword is pushed on his back, it can be easily pulled forward.

Jing Ke Stabbed the King of Qin, which is selected from The Warring States Policy Yance III, describes the tragic historical story of Jing Ke stabbing the King of Qin in the Warring States Period, reflects the social and political situation at that time, and shows Jing Ke's spirit of attaching importance to righteousness, opposing Qin violence and being brave in sacrifice. Through a series of plots, dialogues, actions, expressions and demeanor, the article expresses the character and shapes the image of Jing Ke.

In 227 BC, Jing Ke came to Qin with the map of Yan Du Kang and Fan's head to assassinate Ying Zheng, the king of Qin. Before he left, many people saw Jing Ke off at the Yishui River. The scene is very tragic. "The wind blows and the water cools, and the strong men are gone forever", which is a poem sung by Jing Ke when he left. After Jing Ke came to Qin, the king of Qin summoned him in Xianyang Palace. When Jing Ke presented a picture of Yan Du Kang, he was blacked out, stabbed to death the king of Qin and killed.