Tongwei County, subordinate to Dingxi City, Gansu Province, is located in the central part of Gansu Province, on the east side of Dingxi City. It has a history of more than 2100 years since it was established in the third year of the Han Dynasty (114 BC). With a total area of 2908.5 square kilometers, it now governs 18 towns, 332 villages and 10 communities, and the county government is located in Pingxiang Town. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Tongwei County is 323648.

Tongwei County is located in the hilly and gully region of the Loess Plateau, with characteristic and advantageous industries such as grass and livestock, corn, potatoes, traditional Chinese medicine, small grains, fruits and vegetables. Tongwei County is "the hometown of Chinese calligraphy and painting art", "the hometown of Chinese folk culture and art", "the hometown of Chinese calligraphy", "the hometown of Chinese poetry", "the national sports advanced county" and "the national grain production advanced county". In 2011, it was listed by the state as a concentrated and contiguous poverty-stricken area in the Liupan Mountain Area, and in 2017, it was listed as one of the 23 deeply poverty-stricken counties in the province.

In 2020, the county's gross regional product (GDP) reached 526.484 million yuan, an increase of 6.2% over the previous year at comparable prices. Among them, the added value of the primary industry was 1006.38 million yuan, up 6.3%; The added value of the secondary industry was 677.45 million yuan, up 3.3%; The added value of the tertiary industry was 3581020000 yuan, up 6.7%. The county's per capita GDP is 12838 yuan. The ratio of the three industrial structures changed from 19.8 ∶ 12.6 ∶ 67.6 in the previous year to 19.1 ∶ 12.9 ∶ 68.0. On the morning of November 21, 2020, the Information Office of the Gansu Provincial Government held a press conference to announce that Tongwei County was out of the poverty line.