The first village of China - Dazhai Village is a small mountain village in Xiyang County, Jinzhong City, Shanxi Province. Dazhai is located in the southeast of Xiyang County, Jinzhong City, Shanxi Province. The village has more than 220 households, more than 510 people, 1.88 square kilometers, and the altitude is 1162.6 meters. This is a Taihang mountain earth and stone mountain, due to long-term wind erosion water cut, the region formed the shape of seven ditch eight beams slope. Here poor mountains and evil waters, seven ditches and eight beams on one side slope, the natural environment is bad, the people's life is very difficult, then the mountains and water, on the seven ditches and eight beams on the one side slope, opened up layers of terraces, and through watering the water, changed the situation of eating by the sky. Therefore, it was affirmed and praised by Chairman Mao Zedong, and issued a call for "Dazhai Agricultural Science" in 1964, thus becoming a banner for agriculture in the country.