Abstract:New net vocabulary contain net words and new net phrases. The researches on new net words are already mature gradually in the last more than 10 years, covering 16 aspects of researches, ontology research and multidimensional study have been developed overall, which present characteristics and tendencies of conformability, detailing and westernization, localization exploration, comparative study,informationbased especially new words automatic identification and improved algorithm, closer relationship between new net words and TCSL. The study on new net phrases especially net idioms, new network idioms or postmodern idioms are relatively weak. The ways for studying new net words can be borrowed to research new net phrases, carrying on multidimensional observation, description and explanation step by step.