In the new times, document language shows its vivid characteristics basing on these basic characteristics: accuracy, brevity, formality, gravity, simplici.

Through comparative study,it could be seen that officialese has features of written language which is precise,comprehensive and standard,and is a kind of typical official language.

Some new traits of officialese, especially the use of spoken language,are emerging in recent years, which causes various arguments.

This thesis discusses the curriculum provision,teaching content and teaching form of public language and literature courses in colleges and universities under the background of quality education.

This paper expounds the important significance of language art of public relation in library work on creating the harmonious library environment,and probes into the application of language of public relation in library work from the polite art,questioning answer and persuading art.

On the other hand,it is very difficult for the traditional meaning of lengthy narration and the traditional language of sculpture to change into the public language of sculpt.