Abstract: Vocabulary as the most important role of all the language elements, is fickle and developing. Similar to all the other languages, English vocabulary also undergoes the progress of metabolism. With the information age coming, the development of science and technology leads to the birth of a lot of cyber neologisms and new words in English---as the most commonly used language in the world, undergoing the course of the “Words Explosion” development. Meanwhile, network language is not only the production of internet culture, but also the language which netizen use it to impress their feelings. The understanding of network language can help us understand the net culture better. This thesis firstly introduce the cyber neologism from its origin to it’s present phase. Then analyzes the characteristics of cyber neologism and the change of all social areas, understands the development history of it and look into the distance of it .Helps people to understand and master the cyber new words of English.