In this graduate thesis, the impact of the use of coupons, samples and premiums in drugstores was analyzed. The introductory part contains the problem, as well as the subject of the research, the goal to be achieved, the methods used in the work, the contribution of the research and the hypothesis set. In the second part of the thesis, the term "sales promotion" is defined in general and the sales promotion is specifically defined for consumers. Apart from defining definitions and divisions, the overall development and use of sales promotion for decades has also been described. The third part of the graduate thesis is all about defining the selected sales promotion activities, which are samples, coupons and prizes. For each form is defined definition, division, positive and negative features and their importance for consumers and manufacturers. The fourth part is an empirical part in which the data from the questionnaire is analyzed. The opinions and attitudes of the respondents on these forms of sales promotion and their use are analyzed and interpreted, and it can be concluded that in this survey samples and coupons do not affect the behavior of the respondents in their purchase, as some of the research has shown so far, while it can certainty be concluded that premiums are largely acting on their purchasing behavior Finally, the graduate thesis provides a conclusion, a list of the literature used, a list of tables and graphs and a questionnaire is attached.