There are about 860,000 Hui people, which is a big minority in China. This nation is distributed all over the country in a way of overall dispersion and local settlement. In Ningxia, Gansu, Xinjiang, Qinghai and other provinces (regions), the Hui nationality is the most concentrated, and in some areas, the Hui nationality even accounts for more than 90% of the local population. The origin of Hui nationality in China can be traced back to the Arab and Persian merchants who went to China for business in the middle of the 7th century. /kloc-At the beginning of the 3rd century, Central and West Asians who moved eastward due to Genghis Khan's westward expedition and businessmen living there were the main sources of Hui people. Islam is the common belief of the Hui people and has a profound influence on national culture including music.