公元前157年,汉文帝去世,汉景帝继位。景帝刘启做太子时就习惯和老师晁错堂上堂下亲密无间。即位后,帝国的诸多政策法令不经过最高决策机构的集体讨论,而是由师徒二人以说悄悄话的方式敲定。但公元前154年,刘启必须做出一个艰难的抉择:要么诛杀忠心耿耿的老师晁错,要么自己就得被势如洪水猛兽的七国盟军宰割,对他来说,似乎已找不出第三条路。 157 BC, Chinese Emperor died, Emperor Han Emperor took the throne. Jingdi Liu Kai do princes habits and teacher Chao Cuotang into the hall closely. Ascended the throne after the imperial order of many policies and decrees without the collective discussion of the highest decision-making body, but by apprenticeship and confidentiality of the two to finalize. However, in 154 BC, Liu Qi had to make a tough decision: either to kill the loyal teacher Chao Cuo, or to kill himself by the Allied forces of the Seven Nations that were in such a devastating situation as scourge of beasts, it seemed to him Out of the third way.