Chinese people are diverse in terms of religious beliefs.Now, there are mainly ten ethnic groups who believe in Islam, including Hui, Sala, Dongxiang, Baoan, Uyghur, Kazakh, Kirgiz, Uzbek, Tatar, and Tajik, with more than 17 million people.The distribution of Islam in China has strong regional characteristics, mainly in the five northwestern provinces (regions).In addition, in Yunnan, Hebei, Shandong, Henan, Anhui, Beijing and other provinces and cities, there are also a considerable number of Muslims.Diaspora Muslims can be found almost all over the country. Now let's review the history of the spread of Islam in China.