Shimian County belongs to Ya 'an City, Sichuan Province, located in the southwest of Sichuan Province, at the southernmost tip of Ya 'an City, at the southern foot of Gongga Mountain and in the middle reaches of Dadu River. Ya 'an City borders Liangshan Yi Autonomous Prefecture and Ganzi Tibetan Autonomous Prefecture. Hanyuan County and Ganluo County in the east, Yuexi County and Mianning County in the south, Jiulong County and Kangding County in the west and Luding County in the north. Shimian county has a total area of 2678 square kilometers. By the end of 20 13, the total registered population of the county was124,400, including Han, Yi, Tibetan and Hui. 1952 On May 9, the State Council approved the formal establishment of Shimian County. 1June, 956, Wang Gangping was transferred from Hanyuan County to Shimian County, and the county territory was set. 120 13 the county's GDP was 5.867 billion yuan, an increase of 9.2% over the previous year, and the growth rate was 3.8 percentage points lower than that of 20 12. The specialties of Shimian County are chestnut, walnut, citrus, gastrodia elata, Fritillaria, rhubarb, cordyceps and other precious medicinal materials. Rare animals such as giant pandas, red pandas, musk deer, leopards and bears under state protection. The famous figures in Shimian County are Lai Ning and Lai Zhizhong. 320 13 was rated as an advanced county for agriculture, rural areas and farmers and biogas county in Sichuan province by the provincial government.