After the establishment of Xijin dynasty, Jinwudi assigned 27 kings with the same surname, resulting in the condition of co-existence and the system of the commentaries and counties. Besides , the kings were allowed to get into the power center and be appointed as Grand Commandant or Chief of Secretariat, they can participate in the highest decision-making, by holding tallies which means they can kill lower officers at will and government of the military，they were able to control the country’s military and political events. In general，the kings，being a major and special force in the feudal dynasties，have a sustained impact on Xijin dynasty。