云南省位于我国的西南边陲,是一个多民族的省份,面积约为３９４万平方公里,人口４０００多万,８７%居住在农村。云南地处低纬度地区,背靠青藏高原,面向中南半岛,地形独特,由西北向东南逐级梯层式下降,最高海拔６７４０米,最低海拔７６米,相对高差达６６６４米。云南省地理呈垂 Yunnan Province is located in the southwestern border of China. It is a multi-ethnic province with an area of ​​3.94 million square kilometers and a population of more than 40 million with 87% living in rural areas. Yunnan is located in the low latitudes, backed by the Qinghai-Tibet Plateau, facing the Indochina Peninsula, unique terrain, descending step by step from northwest to southeast, the highest elevation of 6740 meters, the minimum elevation of 76 meters, the relative elevation of 6664 meters. Geographical Yunnan Province was vertical