Hongya Introduction: Hongya County is located on the southwestern edge of the Sichuan Basin and is under the jurisdiction of Meishan City. The geographical coordinates are 102°49'-103°32' east longitude and 29°24'-30°00' north latitude. It is located in the triangle area of ​​Chengdu, Leshan and Ya'an, connecting Jiajiang County and Emeishan City in the east and Hanyuan County in the south. Jinkouhe District, west of Ya'an Yucheng District, Yingjing County, North District Mingshan County, Danling County, 147 kilometers from Chengdu, 55 kilometers from Leshan, 50 kilometers from Meishan, 62 kilometers from Ya'an. The county governs 265 administrative villages in 15 townships, 1979 villager groups, and 14 resident committees with a total population of 380,800. The highest elevation of the county is 3090 meters, and the lowest elevation is 417.5 meters. The climate in the county is mild and humid, with an annual rainfall of 1435.5 mm, (1971-2000) annual sunshine of 1006.1 hours, annual frost-free period of 307 days, and annual average temperature of 16.6 °C, which belongs to the mid-subtropical humid climate.