Cao Zhen lost his father at a young age and was adopted by Cao Cao. He was very brave and gave Butch a ride. Because of the crusade against the thieves of Lingqiu, it was named Lingshou Hou Ting. He used to be a partial general, a leader of China, recruited Shu guards and took part in the battle of Hanzhong. After Cao Pi succeeded to the throne, he became the general of Zhenxi and the military commander, responsible for guarding the northwest border and entering Dongxiang. He moved to be a general, joined the army, took charge of Chinese and foreign military affairs, and became one of the supreme commanders of Cao Wei's army. Break the Qiang-Hu Coalition and pacify Hexi. He led an army to surround Jiangling, defeated Sun Sheng, a general of the State of Wu, and was transferred to the general of the Han army to take charge. When Cao Pi was seriously ill, he accepted the testamentary edict and became one of the ministers of Fuzheng. After Wei Mingdi Cao Cao acceded to the throne, he worshipped the general and entered Shao. Later, he led the army to resist Zhuge Liang's attack in Shu and moved to Fu.
In the fifth year of Taihe (23 1), Cao Zhen died of illness, and Yuan, posthumous title, gave him the ancestral hall.