Öz Functional foods are kind of food that is consumed naturally with daily nutrition habbits. Functional foodshave basic nutrition features and furthermore, these are effective to cure some diseases in human bodyor/and prevent at occuring of some illnesses. The producing and consuming of these foods are increasingsharply. Functional foods may have good impacts on the health of human body because of having omega3 fatty acids, proteins, vitamins, bioactive peptide, bacteria, deverse minerals and enzymes. In this review,functional foods have been introduced and some foods that have functional features have been handled