Secondly, This special language is used for shoptalk, to help the user feel important. Not only advantages, but also disadvantages are the problem which everybody have to focus on . Although slang words are important ,they just are used a few situations, many occasions require a moreformal style of language. In addition , Slang words have 2 problems.First, it creates a barrier to communication for the uninitiated. Second, because most slang is short, favoring one-syllable words, it leads to theuse of cliches, rather than the use of more precise words. Dependenceon slang can lead to fuzzy thinking.In short, although using slang is not bad, people shouldn’t use it much to avoid being impolite in communication.