Yang Zhen was a very famous Taiwei in the history of the Eastern Han Dynasty. His clean and honest style has been passed down by later generations. Among them, the most widely circulated are his "Four Famous Sayings", which say: "Heaven knows, the earth knows, the son knows, I know, why don't I know?" Yang Zhen served as an official in the court for more than ten years. He was loyal to the emperor and loved the emperor. To the people, he is loved by the common people and admired by officials in both the government and the public.

However, during the Eastern Han Dynasty, eunuchs had great influence in the court, and the leading eunuch was Fan Feng, the official in charge of the imperial court. In the court, in order to win the favor of the emperor and to continuously strengthen his influence in the court and the public, Fan Feng was always an enemy of Yang Zhen. He repeatedly tried his best to frame Yang Zhen and colluded with the emperor's nanny Wang Sheng and his daughter. Borong, colluding with others and causing trouble.

Before Emperor An ascended the throne, the government was controlled by Empress Dowager Deng Sui. After the death of Empress Dowager Deng, Emperor An ascended the throne. Under the slanderous words of Wang Sheng, Fan Feng and others, the entire Deng family was destroyed. Including Empress Dowager Deng's brother, the general Deng Zhi, etc. After Emperor An ascended the throne, the court was dominated by Fan Feng, Wang Sheng and others. There was a period of chaos between the government and the public, and there was no peace, but Emperor An was deceived. Several loyal and virtuous ministers headed by Yang Zhen worked hard to learn from it, but they did not get the emperor's attention.

During the emperor's eastward trip, Fan Feng and his gang actually forged an imperial edict. Unexpectedly, the Dongchuang incident was discovered by Yang Zhen's cronies. They had already captured a group of rebels, but when the emperor returned to the palace, At that time, Fan Fengjie took the lead and complained first, and Yang Zhen was accused of treason. Yang Zhen was unjustly condemned to return to his hometown, but on the way, he was killed by Fan Feng who tricked him into giving him poisonous wine. The following year Emperor Shun of the Han Dynasty came to the throne. He gave Yang Zhen Zhaoxue a million in gold and buried him in Tongting.