The aim of this work is to describe the language of several important tabloids in the First Czechoslovak Republic. Firstly, sensationalist journalism is defined by different criteria and is distinguished from serious journalism. The development of sensationalist journalism in Czech lands is outlined and the press in the First Czechoslovak Republic is characterized. Then, selected tabloids are characterized and evaluated according to the defined criteria of tabloids. Language in journalistic texts is put into broader context of journalistic style and is considered on the basis of the influences that affect the choice of the specific language means. One chapter is devoted to formal and language aspects of headlines of the tabloids. The headlines are described on lexical level, morphological level and syntactic level. The language of the tabloids itself is analyzed on the same levels, on the lexical, morphological and syntactic level. The tabloid press in the First Czechoslovak Republic is compared to contemporary tabloid press and some tendencies of the development of the tabloid press are outlined.