Yanhe Tujia Autonomous County, an autonomous county under the jurisdiction of Tongren City, Guizhou Province, is located in the northeast corner of Guizhou Province, the north of Tongren region, the lower reaches of Wujiang River, located in the northeast edge of Guizhou Plateau slope, Dalou Mountain and Wuling Mountain interlocking zone, the climate is warm and humid, water and heat at the same time, light and temperature synchronization; The county covers an area of 2,483.51 square kilometers, with jurisdiction over 4 subdistricts, 17 towns and 2 townships. According to the seventh census, as of midnight on November 1, 2020, the permanent population of Yanhe Tujia Autonomous County was 429,893.

Along the river, Tujia culture, red culture and Wujiang culture shine brightly. Wujiang River flows 132 kilometers along the river, known as "Wujiang Hundred mile Gallery", is a national scenic spot, water conservancy scenic area; Mayanghe Black langur Reserve is the habitat of national Class I protected animal black langur and treasure house of a variety of rare animals and plants. It is the largest population distribution of black langur in the world and a national nature reserve. The revolutionary base area in East Guizhou, centered along the river, is one of the eight revolutionary base areas in China. The Revolutionary Committee of East Guizhou Special Zone was the first red regime on the Yunnan-Guizhou Plateau, and its former site is a key national cultural relic protection unit. In March 2019, it was selected into the list of the first batch of counties under protection and utilization of revolutionary cultural relics. In July 2020, it was selected into the national Health township (county) naming list for the 2017-2019 cycle.

In 2020, the GDP of Yanhe County reached 1.316952 million yuan, an increase of 4.3%. Among them, the added value of the First industry reached 379111 million yuan, up by 6.7%; The added value of the secondary industry reached 2347.89 million yuan, up by 3.3%; The value added of the three industries was 7,03.051 million yuan, up by 3.2%.

In 2021, the gross regional product of Yanhe County reached 1,445433 million yuan, an increase of 8.6%. Among them, the added value of the first industry reached 4153.6 million yuan, up by 8.6%; The added value of the secondary industry was 210.718 million yuan, down by -11.5% year on year; The value added of the three industries was 819355 million yuan, up by 15.2%.