Brazil, which ruled Langzhong, has a long history and was the capital of Pakistan during the Warring States Period. In 3 14 BC, Qin Huiwen was in Langzhong County, Wang Jianli, with a history of more than 2,300 years. Counties, prefectures, prefectures, roads and administrative offices have been set up here throughout the dynasties. During the Han and Tang Dynasties, Langzhong was the research center of ancient astronomy in China, and the famous astronomer Luo created the calendar and the first armillary sphere in the world. Zhang Fei, a famous Shu-Han star, stayed in Langzhong for seven years and was stabbed to death in Langzhong on the eve of cutting Wu. Zhang Xian, a famous anti-gold star in the Southern Song Dynasty, was the son-in-law of Yue Fei and was born in Zhangjiawan at the foot of Jinping Mountain. Zhang Fei and Zhang Xian, also known as Er, are the younger brother of Wu Sheng and the son-in-law of Wu Mu. One was born in Langzhong and the other died in Langzhong. The two of them were invincible on the battlefield of the Kingoma Railway, and both of them were killed in the end for unexpected reasons. They are two heavyweight tragic figures; During the Ming and Qing Dynasties, Langzhong was once the temporary provincial capital of Sichuan 19 years. 1932 to 1935, the Chinese Red Army of Workers and Peasants fought in Langzhong and established the Soviet regime.