Chengdu is the earliest developed areas in southwest China, is the first batch of (24), one of the historical and cultural cities. From there the exact date recorded. Chengdu has 2300 years of history. But in the 21st century, excavated from the Jinsha Ruins in Chengdu, organizational history, moved up to (about pre-1200 ~ pre 650). Build the city of Suzhou has exceeded the time. As early as the fourth century BC, Shu liberal dynasty moved to Sichuan capital Chengdu, to take weeks to move Qi Wang "A year songup, two years in Chengdu," because the name of Chengdu, Xiangyan far.