In recent years, China has made it nearly impossible for Muslims to freely practice their faith, mainly because of the uptick in Islamic terrorist attacks in there. Out of more than 11 million Muslims in China, approx. 8.68 million of them are Uighurs.
If you want to know why Uighurs in China are persecuted, check out the links below. When Western media cover this problem, they always sympathize with the Muslims as you can see in the below video with all the sad music.