Xuanwei Wenxing Township has a long and narrow terrain, high in the south and low in the north. Wen Xinghe passes through the central part from south to north and flows into Mudong River. The highest elevation is Hailiangzi in Jianshui, with an altitude of 2330 meters, and the lowest elevation is the confluence of Wenxing River and Mudong River, with an altitude of 1470 meters and a height difference of 860 meters. The whole territory is two slopes and one trough, shaped like a wooden boat, with high sides and low middle. The mountain range belongs to the Lieshan system in the east of Wumeng Mountain, and it mainly includes Heiniliangzi, Majiadian Liangzi, Laohongliangzi, Shanhualiangzi and Mikeliangzi from north to south. From the southern tip of Baini Liangzi, there are two tributaries: Jianshui Hailiangzi in the east extends northward to Mudong River, with a length of about 20 kilometers, and Laohongzi in the west extends northward to Yinpo, and a tributary turns eastward to Baiyao Laojianshan, with a length of about 18 kilometers. Most of the climate in the territory belongs to temperate climate, and satellites valley belongs to subtropical monsoon climate, with drought in winter and spring, frequent floods and droughts in summer. Annual average temperature 18℃,1October average first frost period 1 1 day, March final frost period 15 days, and annual average frost-free period of 225 days. Average annual rainfall 1249mm, average annual rainfall 139 days.