This article discusses the peculiarities of punctuation in advertising texts and their role in promoting the quality of advertising. This article discusses the specifics of punctuation in ad copy and their role in promoting ad quality. Advertising is a message distributed in order to inform about the consumer properties of goods, services and increase demand for it. There are many types of advertising in retail outlets; institutional (in order to form a positive opinion); informative; trade and transport network; street advertising (poster, billboard); oral; publishing, etc. In order for the advertising language to be convenient, rational and clear, ethno - cultural words should be used that are accustomed to the minds of the people. If we are talking about terms, then it can be replaced by words familiar with the concept of the people, or in the same term can be effectively used. And punctuation marks in accordance with various intonation components (melody, delay, tonal range, tempo, etc.) present in a speech conversation, develop the quality of the contribution, highlighting the stated text. This is the specificity of the use of punctuation marks in advertising texts, their role in improving the quality of advertising.