Explores the story of Prince Dan of Yan's assassination attempt on King Ying Zheng of Qin during the Warring States period, focusing on two main aspects: first, the strategic dilemmas faced by the State of Yan and Prince Dan's countermeasures; and second, the personality traits of Jing Ke and the background of his assassination attempt on Qin. By analyzing the situation in Yan at the time and Jing Ke's character, it aims to reveal the deeper reasons and historical significance behind the assassination event.