Propoden recieved a lot of recognition and comparisons in a medical science, as a real medicine. One of that kind of attributes is natural penicilin, antibiotic that can fight many diseases, without negative effects. It is almost impossible to list all ingredients of a propolis, but they have very important role in prevention of diseases and preservation of health. There is a big range of diseases where propolis is recommended and almost inevitable, from carcinoma to ordinary diseases. We must point out that world’s researches have shown that there are more than sixty pharmacological reasons for application of a propolis, because of it’s natural composition.