Fengxian Introduction: Fengxian was originally called “Fengzhou” and was built in the Qin Dynasty. In the southwest of Baoji City, Shaanxi Province. Because the land is connected with Shaanxi and Gansu, it is also in the tunnel of Chuanchuan. It is bounded by the main ridge of the Qinling Mountains in the north and the Zibai Mountain in the south. The ancient stack road runs through the whole territory. Therefore, it has the name of “Qinyu throat and Hanbei lock key”. North of the main peak, south of Zibai Mountain. The highest peak of the county is 2,739 meters above sea level. The river belongs to the Yangtze River system, and the county of East Qinling Liangdai Wangshan is the birthplace of Jialing River. The annual average temperature is 11.3 °C, and the annual precipitation is 634.6 mm. The deposits include lead, zinc, gold, copper, molybdenum, iron, coal, dolomite, and quartz. The old road built in the Zhou Dynasty, the sloping road built in Han Dynasty, the back lane built in the Northern and Southern Dynasties, and the Lianyun plank road built in the Yuan Dynasty were all passed from Fengxian County. Bao (chicken) into (du) railway east and west transit, 316 national highway and 212 provincial highway is the main highway in the county.