During the Tang and Song Dynasties in Yexian County, Muslims traded in the Central Plains. Many "Ke Fan" who came to China for business lived near Ye County for a long time, and Muslims among them also introduced Islam to the area, which also created conditions for the formation of Hui nationality.
Hui nationality is a minority with a large population in China, which is distributed in 3/kloc-0 provinces, autonomous regions and municipalities directly under the central government. Ningxia Hui Autonomous Region is the main inhabited area, with the Hui population of1862,500, accounting for 18.9% of the total Hui population in China.