The style of scientific prose has 3 subdivisions:1) the style of humanitarian sciences; 2) the style of "exact" sciences; 3) the style of popular scientific prose. Its function is to work out and ground theoretically objective knowledge about reality. The aim of communication is to create new concepts, disclose the international laws of existence. The peculiarities are: objectiveness; logical coherence, impersonality, unemotional character, exactness. The scientific prose style consists mostly of ordinary words which tend to be used in their primary logical meaning. Emotiveness depends on the subject of investigation but mostly scientific prose style is unemotional. Grammar: The logical presentation and cohesion of thought manifests itself in a developed feature of scientific syntax is the use of established patterns. - postulatory; - formulative; - argumentative; The impersonal and objective character of scientific prose style is revealed in the frequent use of passive constructions, impersonal sentences. Personal sentences are more frequently used in exact sciences. In humanities we may come across constructions but few. Some features of the style in the text are: - use of quotations and references; - use of foot-notes helps to preserve the logical coherence of ideas. Scientific popular style has the following peculiarities: emotive words, elements of colloquial style.