Dazhou is a prefecture-level city under the jurisdiction of Sichuan Province, located in the east of Sichuan Province. It is a big city in population, agriculture, resources, industry and transportation in Sichuan Province. It is a famous old revolutionary base area, known as "China is the capital of gas and the hometown of Pakistanis", and it is the starting point of the national "Sichuan Gas Transmission to the East" project.

Dazhou has a long history, with a history of 1900 years since the county was founded in the Eastern Han Dynasty. It is the seat of states, counties, governments and counties. Dazhou is located at the junction of Sichuan, Chongqing, Hubei and Shaanxi provinces, and the Chengdu-Chongqing Economic Belt in the upper reaches of the Yangtze River. It is the "East Gate" of Sichuan's opening to the outside world and a regional central city with a population of one million. Dazhou is one of the national 179 highway transportation hubs and one of the secondary hub cities in Sichuan 12 region. Dazhou Railway Station is the fourth largest railway station in southwest China, with a complete three-dimensional transportation system of water, land and air. It is the eastern passage of Sichuan Province and an important logistics hub city in the west of China.

Dazhou is rich in products and resources. It enjoys the reputation of the hometown of ramie in China, the hometown of yellow flowers in China, the olive capital in China, the selenium-enriched tea capital in China and the first county of Toona sinensis in China. Dazhou is high in the northeast (Daba Mountain area) and low in the southwest (basin hilly area). The highest point is Datuanbao, Jichang Township, Xuanhan County, with an altitude of 2,458.3 meters; The lowest place is Tianguan Village, Wang Xi Township, Quxian County, with an altitude of 222 meters. Daba Mountain lies in the north of Wanyuan Xuanhan, and Mingyue Mountain, Tongluo Mountain and Huaying Mountain run through the north and south, dividing Dazhou into three parts: mountains, hills and flat dams. Mountain area accounts for 70.70%, hills account for 28. 10%, and flat dams account for 1.20%. The northern mountainous area is severely cut and steep, forming a landform unit of middle and low mountains; The south-central part is relatively flat, forming an equi-valley landform unit.