Tianquan County, under the jurisdiction of Ya 'an City of Sichuan Province, is located in the western edge of Sichuan Basin, bordering Lushan County and Yucheng District in the east, Yingjing County in the south, Luding County and Kangding City in the west, and Baoxing County in the north. The area is about 60 kilometers long from east to west, about 50 kilometers wide from north to south, and covers an area of 2400 square kilometers. It has jurisdiction over 7 towns and 3 townships. As of November 2020, Tianquan County has a permanent resident population of 132,000.

Tianquan County has a long history, known as the "southwest lock and key, Nanzhao throat" in ancient times, is an important natural ecological barrier in the middle and upper reaches of the Yangtze River, known as the southwest Sichuan ethnic corridor, ecological corridor. Tianquan County is a subtropical monsoon climate, annual precipitation up to 1576.1 mm, the average temperature 15.3℃. Sichuan-tibet Highway, Yakang Expressway and Sichuan-Tibet Railway pass through Tianquan County. Tianquan County has been awarded the titles of "National Demonstration County for Ecological Construction", "National Demonstration County for Returning Farmland to Forest and Grassland" and "National First Demonstration County for Restoring and Constructing Natural Grassland".

In 2021, the GDP of Tianquan County reached 8 billion yuan, with an annual growth rate of 9.2%. Revenue from local general public budgets reached 302 million yuan; The per capita disposable income of urban and rural residents reached 36,100 yuan and 15,900 yuan respectively, with annual growth rates of 7.9 percent and 9.5 percent.