Xichuan County is located in the southwest of Henan Province, adjacent to Shaanxi and Hubei provinces. North latitude' -3 east longitude 1 10 58 5 tropical to warm temperate monsoon climate, mild climate, four distinct seasons, abundant rainfall, annual average sunshine time of about 204ur/url]804mm, temperature 15.8℃, frost-free period of 228 days. Xichuan County has rolling mountains, mild climate, distinct seasons and abundant rainfall, which is not only rich in mineral resources, but also suitable for the growth of plants and animals in the north and south.

"Historical Records and Biography of Qu Yuan" recorded that "Qin sent troops to attack it, and Chu was defeated by Dan". The so-called Danxi refers to the Danxi basin in Xichuan, and its specific orientation refers to the Xixia in Xichuan and the Danjiang and Xishui basins, tributaries of the Han River near Shangnan. The geographical location of Danxi River basin is very important: it can reach Sanqin along the west of Danjiang River, Sanjin along the north of Xishui River, and Chu and Han along Danjiang River and Xishui River. Therefore, there are Lutong Qin Jin and Shuida Wu Chu.

So its name comes from the local Danjiang River and the Zheshui River in the Danzhe River Basin.