The Weihe River is the mother river of the three Jin, the largest river in Shanxi, and the second largest tributary of the Yellow River. It originated from the jellyfish cave under the mountain of Guanyu Mountains, Dongzhai Town, Ningwu County. The surrounding Longyan Spring and Zhiguo strange stone tributaries flow through Dongzhai, Sanmaying, Gongjiazhuang, Ermaying, Toumaying, Huabeitun, Shanzhai, Beitun, Tongguan, Ninghua, Bamenkou, Nantun, Zifang Temple, After the villages of Chuanhutun and other villages left Ningwu, they flowed through six cities, 34 counties and cities, and entered the Yellow River in Hejin City, which was 716 kilometers long. The rare 830,000 mu of primitive sub-forests in northern China, the only hometown of endangered animal brown horse chicken, is also a paradise for dozens of rare animals such as black scorpion, prawn scorpion, leopard and so on.