Daocheng County is located in the southwest edge of Sichuan Province and the south of Ganzi Prefecture. It is located in the southeast of the Qinghai-Tibet Plateau and the east of the Hengduan Mountains. Ganzi Tibetan Autonomous Prefecture belongs to Kangba Tibetan Region. Daocheng County spans 27 ° 58 '- 29 ° 30' north latitude and 99 ° 56 '- 100 ° 36' east longitude. It is 174 kilometers long from north to south and 63 kilometers wide from east to west. It borders Jiulong County in the east, Xiangcheng County in the west, Litang County in the north, Muli Tibetan Autonomous County in the south, and Diqing Tibetan Autonomous Prefecture in Yunnan in the southwest. The jurisdiction area is 7323 square kilometers.

By the end of 2011, Daocheng County had jurisdiction over 12 townships, 2 towns, 2 communities and 124 villages. At the end of 2011, the total population was 32450, of which Tibetan accounted for more than 96%. In addition, there were Han, Naxi, Hui, Yi and other nationalities. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Daocheng County was 32916.

On September 25, 2018, it was awarded the honorary title of "2018 Comprehensive Demonstration County of E-commerce in Rural Areas" by the Ministry of Commerce. On April 28, 2019, the Sichuan Provincial People's Government decided to withdraw Daocheng County from the poverty-stricken county sequence. The third batch of "green waters and green mountains are golden mountains and silver mountains" practice and innovation bases. In 2019, Daocheng County achieved a GDP of 130201 million yuan.