As his fief was near seashore,sea salt was easy to be obtained. Liu Bi applied population-in-exile and slaves to boil sea water for making salt and paid them lower commission.

• 因封地临近海滨，有海盐之利，刘濞便利用流亡人口与奴录，并付给践更卒以佣费，煮海水为盐。