Many schools in mainland China include student ideology as one of the graduation criteria. Incidents of teachers and students being disciplined for their words are increasingly common. Online platforms such as Weibo and WeChat are all under CCP surveillance, and the CCP state authorities can remove or block comments arbitrarily. In the case of serious breach, offenders could be indicted for crimes such as "subversion of state power."
Example 1: A Taiwanese student scheduled to go on an exchange at Wuhan University reportedly made comments on social media that were "Japan-admiring and pro-Taiwan independence,” which Wuhan University vowed to look into this and handle the case in accordance with the results of the investigation and laws and regulations. The student was resigned to the fact that some people from mainland China circumvented the firewall to censor his posts, and canceled his plan of exchange due to realistic considerations of personal safety.
Example 2: Guilin University of Electronic Technology in Guangxi issued an order to boycott "domestic and foreign hostile powers" through a comprehensive check on the mobile phones, computers, portable hard drives, and flash drives of all faculty, staff, and students for any prohibited or illegal audio-visual content.