Tongzi County, Guizhou Province Zunyi City under the county. Located in the north of Guizhou Province, north bordering Chongqing, south Huichuan District, Renhuai City, west Xishui County and Chongqing Qijiang District, north to Chongqing Nanchuan District, Wansheng District. The land spans north latitude 27°57 '~ 28°54', east longitude 106°26 '~ 107°17', and the total land area is 3207 square kilometers.

Tongzi County has jurisdiction over 2 subdistricts, 20 towns, 2 townships and 1 nationality township. According to the seventh census, as of midnight on November 1, 2020, the permanent population of Tongzi county was 529,471.

Tongzi County is "the hometown of bamboo shoots in China", known as "Qianbei Gateway" and "Sichuan Guizhou key" said. Sichuan-guizhou Railway, 210 National Highway and Chongqing-Zhan Expressway run through the county, and the driving time from the county to Guiyang and Chongqing is about 2 hours.

In September 2018, Tongzi County was removed from poverty. In 2020, the GDP of Tongzi County reached 16.596 billion yuan, the growth rate calculated at comparable prices (the same below), an increase of 8.2% over the previous year.