In the first month of the first year of the Han Dynasty (206 BC), Liu Bang was named Hanwang by Xiang Yu, and the place where Ba, Shu and Hanzhong were ruled was Nanzheng (now Hanzhong). In April, Liu Bang led an army south to Hanzhong. Recruit talents here and set up an altar to worship Han Xin as a general; Then, according to Han Xin's plan, he built a plank road in the Ming Dynasty, secretly crossed their positions, and put down Sanqin in one fell swoop. Xiao He stayed in Hanzhong, developed agriculture and mulberry industry, and collected food from Hanzhong and Bashu for Liu Bang's military use, thus ensuring the victory with Chu. In the second year of Zhang Lu in the Eastern Han Dynasty (19 1), Ada, the prefect of Yizhou, sent Sima and Zhang Lu, and another department captured Hanzhong. The two paved a five-dou-meter road here. After Zhang Lu killed Zhang Xiu, Hanzhong County was changed to Hanning County, and the rule of "Five Mi Dou Roads" was established, which was a rare form of political power in the history of China. Without an official, refugees from Yifu and Guanlong moved to Hanzhong. In the 25th year of Jian 'an (2 15), Cao Cao went to Hanzhong to levy Zhang Lu and Zhang Lu surrendered. In the 23rd year of Jian 'an in the Eastern Han Dynasty (2 18), Liu Bei led the troops to capture Hanzhong. In July of the following year, Liu Bei set up an altar in Mianyang (now Mianxian) and established himself as the king of Hanzhong. Zhuge Liang, according to the five-year plan of attacking Wei, Shu and Han in Hanzhong (227), the Prime Minister Zhuge Liang set out for Hanzhong according to the Canon, and based on this place, encouraged scholars to stop farming and created a wooden cow and a flowing horse. In eight years, he sent troops to attack Wei six times (known as "six out of Qishan" in history). However, his ambition failed, he died in Wuzhangyuan and was buried in Dingjun Mountain in Mianxian County.