Abstract：With the increasing development of Internet technology today, the network has become the most popular spoof own vocabulary. Jokes facilitate Internet phenomenon. Initially, the spoof is just an ordinary Internet users simply entertain, but now they appear to spoof the spoof of the trend, from pure entertainment to the sensitive area slowly move closer. This requires from a legal point of view to examine the phenomenon of the problem spoof, spoof of citizens to exercise freedom of expression is a specific form of constitutional rights, the State shall guarantee citizens the full exercise of freedom of expression in this way spoof of the right; the same time, citizens may not Jokes way harm national, social and collective interests and the freedom of other citizens and legal rights. Jokes work is not derivative works under copyright law, but the parody works, it does not infringe the copyright of those who are Jokes. Thus, the network spoof of the phenomenon both from a legal point of view to take effective measures to protect, but also greatly promote the interests of countries and communities less vulnerable to spoof the phenomenon of abuse. Keyword：Jokes, Entertainment, Internet spoof, Freedom of speech, Copyright
