Already about seventy when he joined the rising against Qin, he advised
项梁 to set up a descendant of the old Chu kings, and Xiang Yu honoured him as
亚父, 'second father'. At the
鸿门宴 in 206 BC he raised his jade ring three times as a signal to kill Liu Bang, but Xiang Yu did nothing. Later, distrusted after a ruse by
陈平, he left in anger and died of an abscess on his back on the way home.