As the rising of individual consumption and new media,the traditional advertisement is not as competitive as before,the new rising public advertisement which is from the advertising and the public relations has become stronger and stronger.

Taking the advantages of media incidents to make public advertisements in contemporary era is called "events marketing".

Advertisements include commercial advertisement and public relation advertisement, both of which have different effects.

The combination of modern public service ads in the development, Contemporary public service ads on the creative development of existing problems and the creation of public service ads process should pay attention to the issue of exploration, also affect the development of public welfare advertising trends analyzed.

Public service ads highlight the social responsibilities of the corporative citizen;convey the mainstream social values,build harmonious ethical norms.

Analyzing public service ads,as the forms of the awareness conformity that resorting to the audience receiving psychological mechanism, how to improve the group level of the awareness.

We attempt to analyse a public service advertisement from interpersonal function perspective and discuss how these four means realise in it.

The public service advertisement plays more and more important role in our life.

The effect study of public service advertisement,an insufficiently touched area in(advertisement) studies,has two problems: low degree of correlation with audience and lack of convincing force.