After Dong Zhuo, Zhang Xiu, Cao Cao and Cao Pi, Jia Xu finally retired and lived to be 77 years old in the troubled times of the Three Kingdoms, which shows that he is not ordinary smart. First of all, after Dong Zhuo was destroyed, Wang Yun cleared Dong Shi. At that time, Li Jue, Guo Si and others were preparing to flee to their homes. Jia Xu thinks that we should do the opposite at this time, and suggests that Li Jue and Guo Si go back and attack Wang Yun together. Li Jue and Guo Si listened to Jia Xu's advice, called all the troops to attack Wang Yun, and finally killed Wang Yun. This shows that Jia Xu's intelligence is particularly good at analyzing the current situation. Secondly, when Jia Xu followed Zhang Xiu, Jia Xu suggested that Zhang Xiu should unite with Liu Biao and tried to defeat Cao Cao many times. Cao Cao attacked Zhang Xiu four times and achieved three defeats and one win. It was Jia Xu's advice that made Cao Cao unable to capture Nanyang for a long time, which was enough to show Jia Xu's cleverness.
Finally, before the battle of Guandu, Jia Xu asked Zhang Xiu to take refuge in Cao Cao. With the participation of Zhang Xiu and Jia Xu, Cao Cao avoided being attacked on both sides. Therefore, Jia Xu was highly valued by Cao Cao and took Jia Xu as its capital. Later, he secretly helped Cao Pi win the throne. Xelloss acceded to the throne, in order to repay Jia Xu. Jia Xu was named autumn, and Jia Xu's son was rewarded accordingly.
Throughout his life, Jia Xu followed Dong Zhuo and Zhang Xiu first and then Cao Cao, but he was also the founding hero of Cao Wei. In the end, he was able to get such a good ending in the troubled times of the Three Kingdoms. Visible Jia Xu resourceful, very human.