Public service advertising is an advertising activity that is not for profit and provides free services to the society. It has played an important role in social morality and ideological education. Copywriting of public service advertisements is also a part of it. The elements of public service advertising copy are: title, text, slogan and essay. The title is the title of this advertisement. The text is the core content of this advertisement, which introduces the advertising information in detail. Slogan is the slogan of copywriting. As an important part of public service advertisement, it is characterized by clear theme, creativity and positive appeal.

The picture comes from the internet.