In 61 BC, Zhao Chongguo, a veteran general in his 70s, led 10,000 steps to go out to Xiyu. Zhao Chong's own propositions, to Wuyu, Xiyu, are all policy of restraint, just and soft, Enwei and Shi, Yizhi, so there are not many soldiers. Xuan Di biased in the speed of the battle, several times to urge the war, so that Zhao Chongguo's son Zhonglang will Zhao Yu led the northern army to ride, shoot the second battalion of about 10,000 people to help the battle. Later, Xu Yanshou was a strong general, led the border county 20,000 horses, Xin Wuxian was a broken general, led the county thousands of terracotta warriors and horses, agreed to strike in December. In May 60 BC, the Han Army counted the warring countries, the total number of first zero was only 50,000, and there were more than 31,000 people coming to the landing, more than 7,000 people killed in the battle, five or six thousand people who indulged in river and starved, and only four thousand who escaped.