Xiang Yu and become emperor, Liu Bang made Peng Yue a vassal king - King of Liang - and gave him the lands of the former Wei Kingdom.

In 196 BCE, when Liu Bang was suppressing a rebellion by Chen Xi, the Marquis of Yangxia, he requested reinforcements from Peng Yue. Peng Yue claimed that he was ill and sent his subordinates to help the emperor in place of himself.