With the development of cultural communication, more and more idioms will widely show up in English movies, books, newspapers, and real life communication. English idioms often express the speaker’s attitude, indicate the context of happening things and the social relation, between the two sides; besides, English idioms have many functions, such as evaluation, expressing of context features and cultural identity. The application of English Idioms communication is that both sides can anticipate each other’s intentions and purpose when using English idioms, so communication will be smooth, efficient and labor-saving; idioms can sometimes play a pivotal role when they are used in establishing, maintaining or consulting the social relations.