Today's life is generally describes as a dynamic and fast, which exspect of individual continuous and constant dedication to business commitments. Under pressure from the obligation, people gives less time to proper nutrition. In the last twenty years, the consumption of fast food is extremely increased as the number of newly opened fast food restaurants. Therefore, the aim of this research was to identify the behavior and attitudes of fast food consumers. A survey was conducted on a sample of 100 respondents on fast food consumption in the Karlovac County area. In the study, the same was the ratio between women and men of average age about 39 years and the body mass index was about 26.5. Most of the respondents (87%) consume fast food, mostly between meals (38%) and as a lunch (35%). From fast food respondents most often consume pizza (55%), hamburger (47%), French fries (46%) and „cevapcici“ (46%). With fast food the most often drink which respondents practice are carbonated beverages (51%) and water (47%). Respondents (46%) consider that the fast food is delicious and this is very important when choosing them. Most respondents have a low standard of living and price is an essential factor for buying fast food and therefore the most of them (97%) spend up to 50 kn on fast food daily.