Net name refers to a name used online. Since the Internet is a virtual world, in order to avoid the trouble of using real names so invented the screen name. A screen name generally refers to a virtual name of a netizen in the online world. Since the birth of the network, the network name as a passport for Internet users, breaking through the "name" of the traditional pattern, showing a colorful appearance. With the rapid development of the network, the number of Internet users is increasing trend, the network name has become an inevitable, but also can not be ignored a phenomenon. It is not only a useful "channel" for people to participate in a variety of activities on the network, but also an extension of the netizen's self, part of the identity.