In 254, in company with Xiahou Xuan and Zhang Ji (張緝), he plotted to kill Sima Shi. However Sima Shi sensed their scheme and called Li Feng to his mansion. Le Feng was interrogated and was executed. He was then accused of treason and his family members were executed as well.
He was a son of Li Yi (李義). Li Tao (李韜) was his son. Li Wan (李婉), the wife of Jia Chong, was his daughter.