Tianzhu County, under the Qiandongnan Miao and Dong Autonomous Prefecture of Guizhou Province. Located in the eastern part of Guizhou Province, it reaches Huitong County and Zhijiang Dong Autonomous County in the east and Sansui County and Jianhe County in the west. In 2021, Tianzhu County has a registered population of 421,200 and a permanent resident population of 271,200. As of October 2021, Tianzhu County has jurisdiction over 4 subdistricts, 11 towns and 2 townships. County government in Zhengzhong Street 18.

Tianzhu County, to the north of the city Zhu Shi Mountain "stone pillar optimizes the sky" named. Specialty: Tianzhu navel orange, Tianzhu soil duck, etc. In March 2020, the People's Government of Guizhou Province approved Tianzhu County to be removed from the list of poverty-stricken counties.

In 2021, the GDP of Tianzhu County was 8.73 billion yuan, an increase of 6.8%. By industry, the added value of the primary industry was 2.333 billion yuan, and that of the secondary industry was 2.063 billion yuan; The tertiary industry added value was 4.332 billion yuan, and the per capita GDP was 32,045 yuan.