Do you know that New Exit and Entry Administration law was implemented on July 1, 2013 in China by new Chinese government? It says NO to foreign people who reside and work in China illegally. The real danger is that they would be questioned by local police officers and then facing a punishment of being fined up to RMB 20,000 and prohibited from entering China up to 5 years once caught. You may read the related website for details and the NEW VISA POLICY!

If you want to teach English in China, the right way to protect yourself is to get a one-year legal work visa from some school!