Fenyang walnuts are produced in the ancient Fenzhou, which is called "Fenzhou walnuts". Fenzhou includes the area of Fenyang, Xiaoyi and Jiaokou counties nowadays. It is close to the foothills of Luliang Mountain, and has a large area of loess hills suitable for growing walnuts. Fenyang City, the seat of the ancient Fenzhou Prefecture, is particularly rich in walnuts. Before the war in 1936, Fenyang district production of walnuts two million three hundred thousand pounds; 1938 production of one million seven hundred thousand pounds, 195O year production of two million five hundred thousand pounds.

Fenyang City is not only an important source, located in the scenic Luliang mountainous area in central Shanxi Province, is one of China's largest walnut distribution center, but also a distribution center for trade transactions. The city has 400,000 acres of walnut economic forest, 4.25 million plants, walnut production reached 11 million pounds, is China's walnut planting city, production city, processing city.