Huanghua pecan is produced in Jixian County, Tianjin. It was called "Yuyang" in ancient times. It was renamed as Jixian in the second year of the Republic of China. Now it is under the jurisdiction of Tianjin City. It is located in the heart of Beijing, Tianjin, Tang and Chengcheng. Although the area is small, However, the agricultural and sideline products are abundant, and the natural environment is beautiful, which is rich in high-quality agricultural products. Huanghua pecan is the most representative specialty of Jixian.