漢高祖五年（前202年），孔聚作為劉邦嘅部下，領左軍喺垓下（今日安徽靈壁東南）打贏項羽。六年正月被封為蓼侯。《淮陰侯詩》雲：“但以怯名終得羽，誰為孔費兩將軍”  。喺公元前176年，孔聚五十歲嗰陣就去世，諡號係“夷”。佢有兩個仔叫孔臧同孔讓。
In the fifth year of Gaozu of the Han Dynasty (202 BC), Kong Ju, as Liu Bang's subordinate, led the left army to defeat Xiang Yu in Qixia (southeast of today's Lingbi, Anhui). In the first month of the sixth year, he was named Marquis of Lin. "Huaiyin Marquis Poems" cloud: "But in the end of the feather with a cowardly name, who is the two generals of Kong Fei". In 176 BC, Kong Ju died at the age of fifty, and his nickname was Yiyi Yiyi. He has two children named Kong Zang and Kong Rang.