Muchuan County, under the Leshan City of Sichuan Province, is located in the southwest of Sichuan Basin, the upper reaches of the Yangtze River Minjiang River, Dadu River, Jinsha River triangle. East to Yibin, south Pingshan County, north to Shawan, Bullock Wei County, west and Ebian Yi Autonomous County borders, southwest with Mabian Yi Autonomous County adjacent. Covering an area of 1,408 square kilometers, Muchuan has a permanent population of 192,313 as of midnight on November 1, 2020, according to the seventh census.

Muchuan County, the territory of fresh air, beautiful scenery, rich products, simple folk customs, forest coverage rate of 77.34%, known as "natural oxygen bar" and "green pearl", It is the pilot county of the national ecological civilization Demonstration Project, the national ecological Demonstration zone, the national key ecological functional zone, the Hometown of Bamboo in China, the national greening Model County, the national Forestry Science and Technology Demonstration County, and the best green eco-tourism county in China. On July 31, 2018, the Sichuan provincial government approved Muchuan County's removal from the poverty-stricken county list.