This paper deals with the research the impact of advertising on the expression of the younger students. Many external and internal factors affect on the expression of students and language acquisition. Media is used by children more often nowadays. In the media, in print, on radio, on the Internet, on television, children can see advertisements. Advertising is a notification that something shows in the best possible way in order to attract the highest possible number of customers. People hear the poetic figure, rhyme, stylistic means of expression, pseudo-science expressions, colloquial expressions, dialects and abbreviated names in advertisements. It gives the impression of spontaneity and simplicity. Linguistic errors can often be heard in advertisements. Numerous of positive and negative examples affect on students' expression. That is the main reason for this research. There is a hypothesis that advertisements affect the expression of students. There is also a hypothesis that advertisements affect the motivation of students. This research has included students from first to fourth grade in two rural district primary schools. To continue, this research has included forty teachers and future teachers that teach in rural and urban primary schools. Evaluation of students, filmed lesson and teacher polls were used in the research. Research results show that advertising have an impact on motivation and expressing students. Teachers are aware of the impact of advertising. Despite that, they have different opinions about advertising in teaching. Some of them believe that it is necessary advertising process as a separate teaching unit since they are part of everyday life and have a great impact on the students' opinion, interest and expression. Some of them believe that it is enough to remove linguistic mistakes and negative educational impact through existing educational topics. Some of them believe that advertisements do not belong in school at all. Language bath is made of everything that younger students hear, either good or bad. Language bath is made from advertisements also. School and parents are most responsible for the child's education. Therefore, it is important to clear up the language bath in which students are immersed.