公益广告作为一种宣传的手段,已成为我们生活中不可缺少的一部分,本文从关联理论的角度对公益广告语进行了一些解释性的研究,从而可以促进公众对公益广告语的理解,为进一步做好公益广告提供理论价值。 Public service advertisement has become an indispensable part of our life as a means of publicity. In this paper, we make some explanatory studies on public service slogan from the perspective of relevance theory so as to promote the public’s understanding of public service slogan. Good public service ads to provide theoretical value.