The net names that make people hungry at first sight are Gollum, Delicious, Eating Xiaopang and so on. According to relevant public information, these screen names are only the embodiment of personal hobbies or images, and do not necessarily mean that the owners of screen names are really hungry or greedy. Screen name refers to the name used on the Internet. Because the network is a virtual world, in order to avoid the trouble caused by using real names, the screen name was invented. Screen name generally refers to a virtual name of netizens in the online world.