This paper analysed text’s characteristic and the used vocabulary of press release. Findings related with the characteristic of the used vocabulary are as follows. First, the top 100 vocabulary on the press release "is ‘사업 (business), 지원 (support), 계획 (planning), 정책 (policy)’ and so on. These words show the purpose of the produced press releases to introduce or promote major policy or business. Second, the top 100 in each government department during the vocabulary words has many technical words. This shows that the press release has rich professional personality as academic papers. Third, press release has many Sino-Korean words and ‘noun+noun+…’ construction. Fourth, through reading index, the level of vocabulary, and the number of phrase per sentence, press release is the high level text that can be read. KEYWORDS press release, text, technical words, Sino-Korean word, reading index, vocabulary level, the number of phrase per sentence, academic words, ‘noun+noun+…’ construction