He taught about the Quran, Islam’s holy book, in another WeChat discussion group.
More than 100 people were members of each group, the website said. Huang is a member of the Hui minority.
The discussion groups “disturbed normal religious activity” and violated laws about using the internet to discuss religion, the website said.
Chinese authorities have steadily tightened controls on Xinjiang, where they believe radical Islamic thought has infiltrated the region.