The article is devoted to one of the types of book speech - the style of official writing. After Uzbekistan gained independence, the function of the Uzbek language as a state language, that is, the scope of its application, all documents and correspondence covers all areas of written and oral communication. Today in the legislation, in the office work is carried out in the Uzbek language. means the text is created. When writing the text, you need to strictly adhere to the language norms. In this sense, the article has not only theoretical, but also practical value. In the article, the functions of the General Prosecutor's Office are to provide information about a particular case, event, person, the essence of which is clearly stated, a clear, impartial opinion, corresponds to legal documentation and other formal correspondence. This also applies to the use of expressions that have become standard, starting with the formulation of logic, the form of expression, stable constructions and the way of expression. Analyzed the similarities between the style of office and publicity, the use of public speaking in official texts. Syntactic constructions found in the texts and the keywords used in their creation are mentioned separately. In Devan, in the field of office work, examples of correspondence, international correspondence, as well as written and oral speeches were analyzed. Thus, the differentiation of the official style as a functional type, specificity, standardization and formality was substantiated by various types of functional methods.