Street flavors that reflect the food culture of every country and region, are colorful and accessible at all times and are a part of low cost food culture; It is preferred for many reasons such as the fast and practical preparation phase. The research conducted in Istanbul revealed the microbiological risks that may arise from the consumption of street delicacies. Pathogenic bacteria such as "Staphylococcus Aureus" were detected in 65 percent of the foods tested, "E.coli" in 25 percent, and "Salmonella" in 10 percent. While salmonella was encountered in products such as boza and cold sandwiches, it was found that there were "Staphylococcus Aureus" and "E.coli" bacteria in chicken rice and mixed toast.