“公文”一词最早见于陈寿的《三国志》:“彧报曰:‘辄白曹公,公文下郡,绵绢悉以还民。’”公文的作用在于临民治事。《中华人民共和国出版史料》(以下简称“《出版史料》”)所收录的出版类公文,是建国以来我国出版工作面貌的真实写照。笔者以《出版史料》所收录的建国初期的出版类公文为研究对象,探究这些公文在语言上所呈现的口语化特征,并据此剖析公文语言风格的成因。为了较为全面地把握建国初期出版类公文 “Official document ” The term was first seen in Chen Shou’s “Three Kingdoms”: “彧 newspaper said: ’no white Cao Gong, official document under the county, cotton silk to return to the people.’ Publications published in the People’s Republic of China for the Publication of Historical Materials (hereinafter referred to as ”the Publication of Historical Materials") are true portrayals of the appearance of our publishing work since the founding of the People’s Republic. The author takes the publication of public documents in the initial period of the founding of the People’s Republic of China as the research object and explores the colloquial features of these documents in the language and analyzes the causes of the official language style. In order to grasp the publishing official documents in the early days of the founding of the People’s Republic of China