河南省位于北纬31°25′～36°20′、东经110°20′～116°40′之间,面积16.7万平方公里。省内地形复杂,平原占55.7％,主要分布在豫东黄淮之间和南阳盆地。山地和丘陵占44.3％,主要分布在西部和南部,分别为太行山地丘陵、豫西黄土丘陵、秦岭山地及桐柏、大别山地丘陵等。从气候上讲,河南处于亚热带和暖温带的过渡地 Henan Province is located between latitude 31 ° 25 ’~ 36 ° 20’ and longitude 110 ° 20 ’~ 116 ° 40’ with an area of ​​167,000 km2. The terrain is complicated in the province, accounting for 55.7% of the plain, mainly distributed between Huanghuai in the east of Henan and the Nanyang basin. Mountains and hills account for 44.3%, mainly in the west and south, respectively, the Taihang Mountains, Loess Hills in western Henan, Qinling Mountains and Tongbai, Dabie Mountains and hills. In terms of climate, Henan is in a transitional zone between subtropical and warm temperate zones