Regardless of the reason, the vulgarization of online languages has caused harm to the construction of online civilization, and will even go from offline to offline, reducing the level of civilization of the entire society. At present, the development path of online languages is already clear: entering from virtual space Oral expression and then written language may eventually precipitate into all aspects of language application. If the vulgar language of the Internet is allowed to develop, over time they will become established idioms, and its negative effects cannot be ignored. The text is intended to explain:. ['The negative effects of vulgarization of online languages have begun to highlight.', 'The vulgarization of online language will affect social civilization.', 'Be wary of the possibility of the conversion of online language to idioms.', 'Urgent measures are needed to address the vulgarization of online languages.']