King Zhao Wuling (340--- 295 BC), a Yong, the Warring States period Zhao Su Hou Zhao's sixth son, Dai Guojun. 325 BC to 299 years in office, his innovation country, to learn from other's merits, Zhao explore and expand, make Zhao Youruo become strong, in the Chinese emperors, is a very successful politician, military strategist, he launched the "learn from other's merits" epoch-making significance in the history of Chinese ancient war. The construction of the Great Wall, to move people, development in border counties, set the major measures, promote the fusion of Chinese and the minority nationalities in the north, by modern historians as the hundreds of great Chinese history one of most influential.