First of all, we need to understand the development of facebook,

In fact, Facebook is not a mystery, it is a foreign social networking sites, it seems to be China’s Renren, at that time, because there is no Renren, and abroad, a social networking site Facebook is very popular, and domestic have to follow, more successful have Renren, open network. In Chinese Facebook failed to register the main reason is the Facebook service provider is not willing to abide by the laws of the people’s Republic of China is shielded, so China can not login!
So, how does the Chinese mainland register Facebook? Foreigners and foreign students in China are generally accessed by using VPN. Domestic users can access the Facebook Chinese network (Facebook fans of the home site) for communication