Han-Xin, who helped Liu-Bang win Chu-Han war contributed to the establishment of Han Dynasty in terms of for accomplishments: 1) He helped Liu-Bang reoccupy Guan-Zhong. 2) He obstructed Xiang-Yu by setting up the line of defense around Xing-Yang. 3) In order to help Liu-Bang outflank Xiang-Yu’s army, he abolished several countries including Wei, Dai, Zhao, Qi and forced Yan to surrender. 4) He helped Liu-Bang annihilate Xiang-Yu at Gai-Xia to win the war and establish Han Dynasty.