Abstract：This thesis studies pragmatic presupposition in English entertainment news headlines. The study reveals that triggers of pragmatic presupposition in English entertainment news headlines mainly depend on three aspects, that is, short words, abbreviations and sentence patterns. The presupposition in entertainment news headlines has five major functions, such as being succinct, being attractive, being euphemistic, being ascensive and being humorous. This study not only helps readers deepen their understanding of pragmatic presupposition, but also helps to promote their abilities to appreciate English entertainment news headlines.

Key words:  entertainment news headlines  pragmatic presupposition  triggers  functions

摘要：本文对英语娱乐新闻标题的语用预设现象进行了研究。研究发现，此类标题的语用预设的诱发机制主要在简短词、缩略词和句子类型三个方面；语用预设不仅能够使英语娱乐新闻标题的信息量更为丰富，语言更为简洁，同时也使娱乐新闻标题更加委婉、幽默，富有吸引力。本研究既能深化人们对语用预设的理论认识，又能提高人们对英语娱乐新闻标题的鉴赏能力。

关键词: 娱乐新闻标题；语用预设；诱发语；功能