Hao Meng was from Henei Commandery (), which is around present-day Jiaozuo, Henan. One night in July or August 196, he rebelled against Lü Bu in Xiapi (下邳; present-day Pizhou, Jiangsu), the capital of Lü Bu's domain, Xu Province, and led his men to attack Lü Bu's headquarters. He was unable to break into the building.
Hao Meng hailed from Henei Commandery (), located in the vicinity of modern-day Jiaozuo, Henan. In July or August 196, he staged a rebellion against Lü Bu in Xiapi (present-day Pizhou, Jiangsu), the administrative center of Lü Bu's domain, Xu Province, and led his forces to launch a siege on Lü Bu's stronghold. He was unable to gain entry.