General introduction: Tongxu is known as Xianping, with a long history and culture. It is now a national historical and cultural city in the ancient capital of Kaifeng, the ancient capital of the seven dynasties, Tongxu County in the central and eastern part of Henan Province, the middle and lower reaches of the Yellow River, belonging to the Yudong Plain. The terrain is high in the west, low in the east, low in the north and low in the south. It is inclined from the northwest to the southeast. It borders on the Yellow River in the north, Shaolin in the west, Shangqiu in the east of Henan, the Zhoukou in the south, the Zhengzhou in the northwest, and the 40km in the north. Within the core area of ​​the construction of the original economic zone in the national strategy is the planning of the Hengjiang-Railway route. Tongxu County consists of 6 towns and 6 townships, with a width of 30.5 kilometers from east to west and 34.8 kilometers from north to south and 766.22 square kilometers. It is part of the Huanghuai Plain, which was formed by the flooding of the Yellow River. The county has 963,742 mu of soil, of which two soils, sand and silt are mostly, accounting for 99.45% of the soil. The river is a vortex river system in the Huaihe River Basin. The main river is the Vortex River, with a county flow of 52 kilometers. There are 8 primary tributaries and 6 secondary tributaries.